18678207

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1487}}^1$

素因数の和:1622

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 7034433

約数列:

[1, 3, 53, 79, 159, 237, 1487, 4187, 4461, 12561, 78811, 117473, 236433, 352419, 6226069, 18678207]

約数ペア:

[(1, 18678207), (3, 6226069), (53, 352419), (79, 236433), (159, 117473), (237, 78811), (1487, 12561), (4187, 4461)]