18642156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 47515104

約数和(自身を除く): 28872948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 219, 292, 438, 876, 949, 1637, 1898, 2847, 3274, 3796, 4911, 5694, 6548, 9822, 11388, 19644, 21281, 42562, 63843, 85124, 119501, 127686, 239002, 255372, 358503, 478004, 717006, 1434012, 1553513, 3107026, 4660539, 6214052, 9321078, 18642156]

約数ペア:

[(1, 18642156), (2, 9321078), (3, 6214052), (4, 4660539), (6, 3107026), (12, 1553513), (13, 1434012), (26, 717006), (39, 478004), (52, 358503), (73, 255372), (78, 239002), (146, 127686), (156, 119501), (219, 85124), (292, 63843), (438, 42562), (876, 21281), (949, 19644), (1637, 11388), (1898, 9822), (2847, 6548), (3274, 5694), (3796, 4911)]