18417970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6373}}^1$

素因数の和:6414

約数の個数: 24

約数和(自身を含む): 35222724

約数和(自身を除く): 16804754

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 6373, 12746, 31865, 63730, 108341, 216682, 541705, 1083410, 1841797, 3683594, 9208985, 18417970]

約数ペア:

[(1, 18417970), (2, 9208985), (5, 3683594), (10, 1841797), (17, 1083410), (34, 541705), (85, 216682), (170, 108341), (289, 63730), (578, 31865), (1445, 12746), (2890, 6373)]