18202340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70009}}^1$

素因数の和:70031

約数の個数: 24

約数和(自身を含む): 41165880

約数和(自身を除く): 22963540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70009, 140018, 280036, 350045, 700090, 910117, 1400180, 1820234, 3640468, 4550585, 9101170, 18202340]

約数ペア:

[(1, 18202340), (2, 9101170), (4, 4550585), (5, 3640468), (10, 1820234), (13, 1400180), (20, 910117), (26, 700090), (52, 350045), (65, 280036), (130, 140018), (260, 70009)]