19945185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3527}}^1$

素因数の和:3577

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 15617055

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 3527, 5655, 10581, 17635, 45851, 52905, 102283, 137553, 229255, 306849, 511415, 687765, 1329679, 1534245, 3989037, 6648395, 19945185]

約数ペア:

[(1, 19945185), (3, 6648395), (5, 3989037), (13, 1534245), (15, 1329679), (29, 687765), (39, 511415), (65, 306849), (87, 229255), (145, 137553), (195, 102283), (377, 52905), (435, 45851), (1131, 17635), (1885, 10581), (3527, 5655)]