18219461

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4339}}^1$

素因数の和:4388

約数の個数: 16

約数和(自身を含む): 21873600

約数和(自身を除く): 3654139

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4339, 56407, 73763, 82441, 958919, 1071733, 1401497, 18219461]

約数ペア:

[(1, 18219461), (13, 1401497), (17, 1071733), (19, 958919), (221, 82441), (247, 73763), (323, 56407), (4199, 4339)]