18670340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71809}}^1$

素因数の和:71831

約数の個数: 24

約数和(自身を含む): 42224280

約数和(自身を除く): 23553940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71809, 143618, 287236, 359045, 718090, 933517, 1436180, 1867034, 3734068, 4667585, 9335170, 18670340]

約数ペア:

[(1, 18670340), (2, 9335170), (4, 4667585), (5, 3734068), (10, 1867034), (13, 1436180), (20, 933517), (26, 718090), (52, 359045), (65, 287236), (130, 143618), (260, 71809)]