18446740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70949}}^1$

素因数の和:70971

約数の個数: 24

約数和(自身を含む): 41718600

約数和(自身を除く): 23271860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70949, 141898, 283796, 354745, 709490, 922337, 1418980, 1844674, 3689348, 4611685, 9223370, 18446740]

約数ペア:

[(1, 18446740), (2, 9223370), (4, 4611685), (5, 3689348), (10, 1844674), (13, 1418980), (20, 922337), (26, 709490), (52, 354745), (65, 283796), (130, 141898), (260, 70949)]