18891938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{1277}}^1$

素因数の和:1861

約数の個数: 16

約数和(自身を含む): 30595320

約数和(自身を除く): 11703382

約数列:

[1, 2, 13, 26, 569, 1138, 1277, 2554, 7397, 14794, 16601, 33202, 726613, 1453226, 9445969, 18891938]

約数ペア:

[(1, 18891938), (2, 9445969), (13, 1453226), (26, 726613), (569, 33202), (1138, 16601), (1277, 14794), (2554, 7397)]