19498826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3917}}^1$

素因数の和:4069

約数の個数: 16

約数和(自身を含む): 31030560

約数和(自身を除く): 11531734

約数列:

[1, 2, 19, 38, 131, 262, 2489, 3917, 4978, 7834, 74423, 148846, 513127, 1026254, 9749413, 19498826]

約数ペア:

[(1, 19498826), (2, 9749413), (19, 1026254), (38, 513127), (131, 148846), (262, 74423), (2489, 7834), (3917, 4978)]