18501808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88951}}^1$

素因数の和:88972

約数の個数: 20

約数和(自身を含む): 38605168

約数和(自身を除く): 20103360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88951, 177902, 355804, 711608, 1156363, 1423216, 2312726, 4625452, 9250904, 18501808]

約数ペア:

[(1, 18501808), (2, 9250904), (4, 4625452), (8, 2312726), (13, 1423216), (16, 1156363), (26, 711608), (52, 355804), (104, 177902), (208, 88951)]