19577880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 77163840

約数和(自身を除く): 57585960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 457, 476, 504, 510, 595, 612, 630, 680, 714, 765, 840, 914, 952, 1020, 1071, 1190, 1224, 1260, 1371, 1428, 1530, 1785, 1828, 2040, 2142, 2285, 2380, 2520, 2742, 2856, 3060, 3199, 3570, 3656, 4113, 4284, 4570, 4760, 5355, 5484, 6120, 6398, 6855, 7140, 7769, 8226, 8568, 9140, 9597, 10710, 10968, 12796, 13710, 14280, 15538, 15995, 16452, 18280, 19194, 20565, 21420, 23307, 25592, 27420, 28791, 31076, 31990, 32904, 38388, 38845, 41130, 42840, 46614, 47985, 54383, 54840, 57582, 62152, 63980, 69921, 76776, 77690, 82260, 93228, 95970, 108766, 115164, 116535, 127960, 139842, 143955, 155380, 163149, 164520, 186456, 191940, 217532, 230328, 233070, 271915, 279684, 287910, 310760, 326298, 349605, 383880, 435064, 466140, 489447, 543830, 559368, 575820, 652596, 699210, 815745, 932280, 978894, 1087660, 1151640, 1305192, 1398420, 1631490, 1957788, 2175320, 2447235, 2796840, 3262980, 3915576, 4894470, 6525960, 9788940, 19577880]

約数ペア:

[(1, 19577880), (2, 9788940), (3, 6525960), (4, 4894470), (5, 3915576), (6, 3262980), (7, 2796840), (8, 2447235), (9, 2175320), (10, 1957788), (12, 1631490), (14, 1398420), (15, 1305192), (17, 1151640), (18, 1087660), (20, 978894), (21, 932280), (24, 815745), (28, 699210), (30, 652596), (34, 575820), (35, 559368), (36, 543830), (40, 489447), (42, 466140), (45, 435064), (51, 383880), (56, 349605), (60, 326298), (63, 310760), (68, 287910), (70, 279684), (72, 271915), (84, 233070), (85, 230328), (90, 217532), (102, 191940), (105, 186456), (119, 164520), (120, 163149), (126, 155380), (136, 143955), (140, 139842), (153, 127960), (168, 116535), (170, 115164), (180, 108766), (204, 95970), (210, 93228), (238, 82260), (252, 77690), (255, 76776), (280, 69921), (306, 63980), (315, 62152), (340, 57582), (357, 54840), (360, 54383), (408, 47985), (420, 46614), (457, 42840), (476, 41130), (504, 38845), (510, 38388), (595, 32904), (612, 31990), (630, 31076), (680, 28791), (714, 27420), (765, 25592), (840, 23307), (914, 21420), (952, 20565), (1020, 19194), (1071, 18280), (1190, 16452), (1224, 15995), (1260, 15538), (1371, 14280), (1428, 13710), (1530, 12796), (1785, 10968), (1828, 10710), (2040, 9597), (2142, 9140), (2285, 8568), (2380, 8226), (2520, 7769), (2742, 7140), (2856, 6855), (3060, 6398), (3199, 6120), (3570, 5484), (3656, 5355), (4113, 4760), (4284, 4570)]