19879301

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 23365440

約数和(自身を除く): 3486139

約数列:

[1, 13, 19, 41, 151, 169, 247, 533, 779, 1963, 2869, 3211, 6191, 6929, 10127, 25519, 37297, 80483, 117629, 131651, 484861, 1046279, 1529177, 19879301]

約数ペア:

[(1, 19879301), (13, 1529177), (19, 1046279), (41, 484861), (151, 131651), (169, 117629), (247, 80483), (533, 37297), (779, 25519), (1963, 10127), (2869, 6929), (3211, 6191)]