19519812

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{13903}}^1$

素因数の和:13929

約数の個数: 48

約数和(自身を含む): 54503680

約数和(自身を除く): 34983868

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 13903, 27806, 41709, 55612, 83418, 125127, 166836, 180739, 250254, 361478, 375381, 500508, 542217, 722956, 750762, 1084434, 1501524, 1626651, 2168868, 3253302, 4879953, 6506604, 9759906, 19519812]

約数ペア:

[(1, 19519812), (2, 9759906), (3, 6506604), (4, 4879953), (6, 3253302), (9, 2168868), (12, 1626651), (13, 1501524), (18, 1084434), (26, 750762), (27, 722956), (36, 542217), (39, 500508), (52, 375381), (54, 361478), (78, 250254), (108, 180739), (117, 166836), (156, 125127), (234, 83418), (351, 55612), (468, 41709), (702, 27806), (1404, 13903)]