19990102

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{29311}}^1$

素因数の和:29355

約数の個数: 16

約数和(自身を含む): 33767424

約数和(自身を除く): 13777322

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 29311, 58622, 322421, 644842, 908641, 1817282, 9995051, 19990102]

約数ペア:

[(1, 19990102), (2, 9995051), (11, 1817282), (22, 908641), (31, 644842), (62, 322421), (341, 58622), (682, 29311)]