18330520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35251}}^1$

素因数の和:35275

約数の個数: 32

約数和(自身を含む): 44417520

約数和(自身を除く): 26087000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35251, 70502, 141004, 176255, 282008, 352510, 458263, 705020, 916526, 1410040, 1833052, 2291315, 3666104, 4582630, 9165260, 18330520]

約数ペア:

[(1, 18330520), (2, 9165260), (4, 4582630), (5, 3666104), (8, 2291315), (10, 1833052), (13, 1410040), (20, 916526), (26, 705020), (40, 458263), (52, 352510), (65, 282008), (104, 176255), (130, 141004), (260, 70502), (520, 35251)]