18275140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70289}}^1$

素因数の和:70311

約数の個数: 24

約数和(自身を含む): 41330520

約数和(自身を除く): 23055380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70289, 140578, 281156, 351445, 702890, 913757, 1405780, 1827514, 3655028, 4568785, 9137570, 18275140]

約数ペア:

[(1, 18275140), (2, 9137570), (4, 4568785), (5, 3655028), (10, 1827514), (13, 1405780), (20, 913757), (26, 702890), (52, 351445), (65, 281156), (130, 140578), (260, 70289)]