18894494

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{821}}^1$

素因数の和:1171

約数の個数: 16

約数和(自身を含む): 29236896

約数和(自身を除く): 10342402

約数列:

[1, 2, 37, 74, 311, 622, 821, 1642, 11507, 23014, 30377, 60754, 255331, 510662, 9447247, 18894494]

約数ペア:

[(1, 18894494), (2, 9447247), (37, 510662), (74, 255331), (311, 60754), (622, 30377), (821, 23014), (1642, 11507)]