19499760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 240

約数和(自身を含む): 77298624

約数和(自身を除く): 57798864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 73, 80, 84, 90, 105, 106, 112, 120, 126, 140, 144, 146, 159, 168, 180, 210, 212, 219, 240, 252, 265, 280, 292, 315, 318, 336, 360, 365, 371, 420, 424, 438, 477, 504, 511, 530, 560, 584, 630, 636, 657, 720, 730, 742, 795, 840, 848, 876, 954, 1008, 1022, 1060, 1095, 1113, 1168, 1260, 1272, 1314, 1460, 1484, 1533, 1590, 1680, 1752, 1855, 1908, 2044, 2120, 2190, 2226, 2385, 2520, 2544, 2555, 2628, 2920, 2968, 3066, 3180, 3285, 3339, 3504, 3710, 3816, 3869, 4088, 4240, 4380, 4452, 4599, 4770, 5040, 5110, 5256, 5565, 5840, 5936, 6132, 6360, 6570, 6678, 7420, 7632, 7665, 7738, 8176, 8760, 8904, 9198, 9540, 10220, 10512, 11130, 11607, 12264, 12720, 13140, 13356, 14840, 15330, 15476, 16695, 17520, 17808, 18396, 19080, 19345, 20440, 22260, 22995, 23214, 24528, 26280, 26712, 27083, 29680, 30660, 30952, 33390, 34821, 36792, 38160, 38690, 40880, 44520, 45990, 46428, 52560, 53424, 54166, 58035, 61320, 61904, 66780, 69642, 73584, 77380, 81249, 89040, 91980, 92856, 108332, 116070, 122640, 133560, 135415, 139284, 154760, 162498, 174105, 183960, 185712, 216664, 232140, 243747, 267120, 270830, 278568, 309520, 324996, 348210, 367920, 406245, 433328, 464280, 487494, 541660, 557136, 649992, 696420, 812490, 928560, 974988, 1083320, 1218735, 1299984, 1392840, 1624980, 1949976, 2166640, 2437470, 2785680, 3249960, 3899952, 4874940, 6499920, 9749880, 19499760]

約数ペア:

[(1, 19499760), (2, 9749880), (3, 6499920), (4, 4874940), (5, 3899952), (6, 3249960), (7, 2785680), (8, 2437470), (9, 2166640), (10, 1949976), (12, 1624980), (14, 1392840), (15, 1299984), (16, 1218735), (18, 1083320), (20, 974988), (21, 928560), (24, 812490), (28, 696420), (30, 649992), (35, 557136), (36, 541660), (40, 487494), (42, 464280), (45, 433328), (48, 406245), (53, 367920), (56, 348210), (60, 324996), (63, 309520), (70, 278568), (72, 270830), (73, 267120), (80, 243747), (84, 232140), (90, 216664), (105, 185712), (106, 183960), (112, 174105), (120, 162498), (126, 154760), (140, 139284), (144, 135415), (146, 133560), (159, 122640), (168, 116070), (180, 108332), (210, 92856), (212, 91980), (219, 89040), (240, 81249), (252, 77380), (265, 73584), (280, 69642), (292, 66780), (315, 61904), (318, 61320), (336, 58035), (360, 54166), (365, 53424), (371, 52560), (420, 46428), (424, 45990), (438, 44520), (477, 40880), (504, 38690), (511, 38160), (530, 36792), (560, 34821), (584, 33390), (630, 30952), (636, 30660), (657, 29680), (720, 27083), (730, 26712), (742, 26280), (795, 24528), (840, 23214), (848, 22995), (876, 22260), (954, 20440), (1008, 19345), (1022, 19080), (1060, 18396), (1095, 17808), (1113, 17520), (1168, 16695), (1260, 15476), (1272, 15330), (1314, 14840), (1460, 13356), (1484, 13140), (1533, 12720), (1590, 12264), (1680, 11607), (1752, 11130), (1855, 10512), (1908, 10220), (2044, 9540), (2120, 9198), (2190, 8904), (2226, 8760), (2385, 8176), (2520, 7738), (2544, 7665), (2555, 7632), (2628, 7420), (2920, 6678), (2968, 6570), (3066, 6360), (3180, 6132), (3285, 5936), (3339, 5840), (3504, 5565), (3710, 5256), (3816, 5110), (3869, 5040), (4088, 4770), (4240, 4599), (4380, 4452)]