19757348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3917}}^1$

素因数の和:4031

約数の個数: 24

約数和(自身を含む): 37628472

約数和(自身を除く): 17871124

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 3917, 5044, 7834, 15668, 50921, 101842, 203684, 379949, 759898, 1519796, 4939337, 9878674, 19757348]

約数ペア:

[(1, 19757348), (2, 9878674), (4, 4939337), (13, 1519796), (26, 759898), (52, 379949), (97, 203684), (194, 101842), (388, 50921), (1261, 15668), (2522, 7834), (3917, 5044)]