18645380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71713}}^1$

素因数の和:71735

約数の個数: 24

約数和(自身を含む): 42167832

約数和(自身を除く): 23522452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71713, 143426, 286852, 358565, 717130, 932269, 1434260, 1864538, 3729076, 4661345, 9322690, 18645380]

約数ペア:

[(1, 18645380), (2, 9322690), (4, 4661345), (5, 3729076), (10, 1864538), (13, 1434260), (20, 932269), (26, 717130), (52, 358565), (65, 286852), (130, 143426), (260, 71713)]