18405868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1481}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 34856640

約数和(自身を除く): 16450772

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 1481, 2962, 3107, 5924, 6214, 12428, 19253, 38506, 77012, 353959, 707918, 1415836, 4601467, 9202934, 18405868]

約数ペア:

[(1, 18405868), (2, 9202934), (4, 4601467), (13, 1415836), (26, 707918), (52, 353959), (239, 77012), (478, 38506), (956, 19253), (1481, 12428), (2962, 6214), (3107, 5924)]