18803680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 51577344

約数和(自身を除く): 32773664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 103, 112, 140, 160, 163, 206, 224, 280, 326, 412, 515, 560, 652, 721, 815, 824, 1030, 1120, 1141, 1304, 1442, 1630, 1648, 2060, 2282, 2608, 2884, 3260, 3296, 3605, 4120, 4564, 5216, 5705, 5768, 6520, 7210, 8240, 9128, 11410, 11536, 13040, 14420, 16480, 16789, 18256, 22820, 23072, 26080, 28840, 33578, 36512, 45640, 57680, 67156, 83945, 91280, 115360, 117523, 134312, 167890, 182560, 235046, 268624, 335780, 470092, 537248, 587615, 671560, 940184, 1175230, 1343120, 1880368, 2350460, 2686240, 3760736, 4700920, 9401840, 18803680]

約数ペア:

[(1, 18803680), (2, 9401840), (4, 4700920), (5, 3760736), (7, 2686240), (8, 2350460), (10, 1880368), (14, 1343120), (16, 1175230), (20, 940184), (28, 671560), (32, 587615), (35, 537248), (40, 470092), (56, 335780), (70, 268624), (80, 235046), (103, 182560), (112, 167890), (140, 134312), (160, 117523), (163, 115360), (206, 91280), (224, 83945), (280, 67156), (326, 57680), (412, 45640), (515, 36512), (560, 33578), (652, 28840), (721, 26080), (815, 23072), (824, 22820), (1030, 18256), (1120, 16789), (1141, 16480), (1304, 14420), (1442, 13040), (1630, 11536), (1648, 11410), (2060, 9128), (2282, 8240), (2608, 7210), (2884, 6520), (3260, 5768), (3296, 5705), (3605, 5216), (4120, 4564)]