18985447

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 21796992

約数和(自身を除く): 2811545

約数列:

[1, 13, 17, 221, 271, 317, 3523, 4121, 4607, 5389, 59891, 70057, 85907, 1116791, 1460419, 18985447]

約数ペア:

[(1, 18985447), (13, 1460419), (17, 1116791), (221, 85907), (271, 70057), (317, 59891), (3523, 5389), (4121, 4607)]