18440435

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 24287760

約数和(自身を除く): 5847325

約数列:

[1, 5, 13, 65, 139, 157, 169, 695, 785, 845, 1807, 2041, 9035, 10205, 21823, 23491, 26533, 109115, 117455, 132665, 283699, 1418495, 3688087, 18440435]

約数ペア:

[(1, 18440435), (5, 3688087), (13, 1418495), (65, 283699), (139, 132665), (157, 117455), (169, 109115), (695, 26533), (785, 23491), (845, 21823), (1807, 10205), (2041, 9035)]