196802019

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{521}}^1$

素因数の和:640

約数の個数: 36

約数和(自身を含む): 306320040

約数和(自身を除く): 109518021

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 521, 893, 1563, 2209, 2679, 4689, 6627, 8037, 9899, 19881, 24487, 29697, 41971, 73461, 89091, 125913, 220383, 377739, 465253, 1150889, 1395759, 3452667, 4187277, 10358001, 21866891, 65600673, 196802019]

約数ペア:

[(1, 196802019), (3, 65600673), (9, 21866891), (19, 10358001), (47, 4187277), (57, 3452667), (141, 1395759), (171, 1150889), (423, 465253), (521, 377739), (893, 220383), (1563, 125913), (2209, 89091), (2679, 73461), (4689, 41971), (6627, 29697), (8037, 24487), (9899, 19881)]