19406520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:195

約数の個数: 256

約数和(自身を含む): 78796800

約数和(自身を除く): 59390280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 151, 153, 168, 170, 180, 189, 204, 210, 216, 238, 252, 255, 270, 280, 302, 306, 315, 340, 357, 360, 378, 408, 420, 453, 459, 476, 504, 510, 540, 595, 604, 612, 630, 680, 714, 755, 756, 765, 840, 906, 918, 945, 952, 1020, 1057, 1071, 1080, 1190, 1208, 1224, 1260, 1359, 1428, 1510, 1512, 1530, 1785, 1812, 1836, 1890, 2040, 2114, 2142, 2265, 2295, 2380, 2520, 2567, 2718, 2856, 3020, 3060, 3171, 3213, 3570, 3624, 3672, 3780, 4077, 4228, 4284, 4530, 4590, 4760, 5134, 5285, 5355, 5436, 6040, 6120, 6342, 6426, 6795, 7140, 7560, 7701, 8154, 8456, 8568, 9060, 9180, 9513, 10268, 10570, 10710, 10872, 12684, 12835, 12852, 13590, 14280, 15402, 15855, 16065, 16308, 17969, 18120, 18360, 19026, 20385, 20536, 21140, 21420, 23103, 25368, 25670, 25704, 27180, 28539, 30804, 31710, 32130, 32616, 35938, 38052, 38505, 40770, 42280, 42840, 46206, 47565, 51340, 53907, 54360, 57078, 61608, 63420, 64260, 69309, 71876, 76104, 77010, 81540, 89845, 92412, 95130, 102680, 107814, 114156, 115515, 126840, 128520, 138618, 142695, 143752, 154020, 161721, 163080, 179690, 184824, 190260, 215628, 228312, 231030, 269535, 277236, 285390, 308040, 323442, 346545, 359380, 380520, 431256, 462060, 485163, 539070, 554472, 570780, 646884, 693090, 718760, 808605, 924120, 970326, 1078140, 1141560, 1293768, 1386180, 1617210, 1940652, 2156280, 2425815, 2772360, 3234420, 3881304, 4851630, 6468840, 9703260, 19406520]

約数ペア:

[(1, 19406520), (2, 9703260), (3, 6468840), (4, 4851630), (5, 3881304), (6, 3234420), (7, 2772360), (8, 2425815), (9, 2156280), (10, 1940652), (12, 1617210), (14, 1386180), (15, 1293768), (17, 1141560), (18, 1078140), (20, 970326), (21, 924120), (24, 808605), (27, 718760), (28, 693090), (30, 646884), (34, 570780), (35, 554472), (36, 539070), (40, 485163), (42, 462060), (45, 431256), (51, 380520), (54, 359380), (56, 346545), (60, 323442), (63, 308040), (68, 285390), (70, 277236), (72, 269535), (84, 231030), (85, 228312), (90, 215628), (102, 190260), (105, 184824), (108, 179690), (119, 163080), (120, 161721), (126, 154020), (135, 143752), (136, 142695), (140, 138618), (151, 128520), (153, 126840), (168, 115515), (170, 114156), (180, 107814), (189, 102680), (204, 95130), (210, 92412), (216, 89845), (238, 81540), (252, 77010), (255, 76104), (270, 71876), (280, 69309), (302, 64260), (306, 63420), (315, 61608), (340, 57078), (357, 54360), (360, 53907), (378, 51340), (408, 47565), (420, 46206), (453, 42840), (459, 42280), (476, 40770), (504, 38505), (510, 38052), (540, 35938), (595, 32616), (604, 32130), (612, 31710), (630, 30804), (680, 28539), (714, 27180), (755, 25704), (756, 25670), (765, 25368), (840, 23103), (906, 21420), (918, 21140), (945, 20536), (952, 20385), (1020, 19026), (1057, 18360), (1071, 18120), (1080, 17969), (1190, 16308), (1208, 16065), (1224, 15855), (1260, 15402), (1359, 14280), (1428, 13590), (1510, 12852), (1512, 12835), (1530, 12684), (1785, 10872), (1812, 10710), (1836, 10570), (1890, 10268), (2040, 9513), (2114, 9180), (2142, 9060), (2265, 8568), (2295, 8456), (2380, 8154), (2520, 7701), (2567, 7560), (2718, 7140), (2856, 6795), (3020, 6426), (3060, 6342), (3171, 6120), (3213, 6040), (3570, 5436), (3624, 5355), (3672, 5285), (3780, 5134), (4077, 4760), (4228, 4590), (4284, 4530)]