17874740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68749}}^1$

素因数の和:68771

約数の個数: 24

約数和(自身を含む): 40425000

約数和(自身を除く): 22550260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68749, 137498, 274996, 343745, 687490, 893737, 1374980, 1787474, 3574948, 4468685, 8937370, 17874740]

約数ペア:

[(1, 17874740), (2, 8937370), (4, 4468685), (5, 3574948), (10, 1787474), (13, 1374980), (20, 893737), (26, 687490), (52, 343745), (65, 274996), (130, 137498), (260, 68749)]