15413540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18797}}^1$

素因数の和:18847

約数の個数: 24

約数和(自身を含む): 33159672

約数和(自身を除く): 17746132

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 18797, 37594, 75188, 93985, 187970, 375940, 770677, 1541354, 3082708, 3853385, 7706770, 15413540]

約数ペア:

[(1, 15413540), (2, 7706770), (4, 3853385), (5, 3082708), (10, 1541354), (20, 770677), (41, 375940), (82, 187970), (164, 93985), (205, 75188), (410, 37594), (820, 18797)]