19519305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3229}}^1$

素因数の和:3281

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 15209655

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3229, 6045, 9687, 16145, 41977, 48435, 100099, 125931, 209885, 300297, 500495, 629655, 1301287, 1501485, 3903861, 6506435, 19519305]

約数ペア:

[(1, 19519305), (3, 6506435), (5, 3903861), (13, 1501485), (15, 1301287), (31, 629655), (39, 500495), (65, 300297), (93, 209885), (155, 125931), (195, 100099), (403, 48435), (465, 41977), (1209, 16145), (2015, 9687), (3229, 6045)]