18747772

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 33449360

約数和(自身を除く): 14701588

約数列:

[1, 2, 4, 97, 194, 211, 229, 388, 422, 458, 844, 916, 20467, 22213, 40934, 44426, 48319, 81868, 88852, 96638, 193276, 4686943, 9373886, 18747772]

約数ペア:

[(1, 18747772), (2, 9373886), (4, 4686943), (97, 193276), (194, 96638), (211, 88852), (229, 81868), (388, 48319), (422, 44426), (458, 40934), (844, 22213), (916, 20467)]