18965720985

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2437}}^1\times {\mathrm{2999}}^1$

素因数の和:5617

約数の個数: 32

約数和(自身を含む): 30543264000

約数和(自身を除く): 11577543015

約数列:

[1, 3, 5, 15, 173, 519, 865, 2437, 2595, 2999, 7311, 8997, 12185, 14995, 36555, 44985, 421601, 518827, 1264803, 1556481, 2108005, 2594135, 6324015, 7308563, 7782405, 21925689, 36542815, 109628445, 1264381399, 3793144197, 6321906995, 18965720985]

約数ペア:

[(1, 18965720985), (3, 6321906995), (5, 3793144197), (15, 1264381399), (173, 109628445), (519, 36542815), (865, 21925689), (2437, 7782405), (2595, 7308563), (2999, 6324015), (7311, 2594135), (8997, 2108005), (12185, 1556481), (14995, 1264803), (36555, 518827), (44985, 421601)]