18222985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{787}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 23942592

約数和(自身を除く): 5719607

約数列:

[1, 5, 11, 55, 421, 787, 2105, 3935, 4631, 8657, 23155, 43285, 331327, 1656635, 3644597, 18222985]

約数ペア:

[(1, 18222985), (5, 3644597), (11, 1656635), (55, 331327), (421, 43285), (787, 23155), (2105, 8657), (3935, 4631)]