19318910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{859}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 37709280

約数和(自身を除く): 18390370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 859, 865, 1718, 1730, 2249, 4295, 4498, 8590, 11167, 11245, 22334, 22490, 55835, 111670, 148607, 297214, 743035, 1486070, 1931891, 3863782, 9659455, 19318910]

約数ペア:

[(1, 19318910), (2, 9659455), (5, 3863782), (10, 1931891), (13, 1486070), (26, 743035), (65, 297214), (130, 148607), (173, 111670), (346, 55835), (859, 22490), (865, 22334), (1718, 11245), (1730, 11167), (2249, 8590), (4295, 4498)]