18963165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3137}}^1$

素因数の和:3189

約数の個数: 32

約数和(自身を含む): 33739776

約数和(自身を除く): 14776611

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3137, 6045, 9411, 15685, 40781, 47055, 97247, 122343, 203905, 291741, 486235, 611715, 1264211, 1458705, 3792633, 6321055, 18963165]

約数ペア:

[(1, 18963165), (3, 6321055), (5, 3792633), (13, 1458705), (15, 1264211), (31, 611715), (39, 486235), (65, 291741), (93, 203905), (155, 122343), (195, 97247), (403, 47055), (465, 40781), (1209, 15685), (2015, 9411), (3137, 6045)]