19699524

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1591

約数の個数: 72

約数和(自身を含む): 55648320

約数和(自身を除く): 35948796

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 1559, 2106, 3118, 3159, 4212, 4677, 6236, 6318, 9354, 12636, 14031, 18708, 20267, 28062, 40534, 42093, 56124, 60801, 81068, 84186, 121602, 126279, 168372, 182403, 243204, 252558, 364806, 378837, 505116, 547209, 729612, 757674, 1094418, 1515348, 1641627, 2188836, 3283254, 4924881, 6566508, 9849762, 19699524]

約数ペア:

[(1, 19699524), (2, 9849762), (3, 6566508), (4, 4924881), (6, 3283254), (9, 2188836), (12, 1641627), (13, 1515348), (18, 1094418), (26, 757674), (27, 729612), (36, 547209), (39, 505116), (52, 378837), (54, 364806), (78, 252558), (81, 243204), (108, 182403), (117, 168372), (156, 126279), (162, 121602), (234, 84186), (243, 81068), (324, 60801), (351, 56124), (468, 42093), (486, 40534), (702, 28062), (972, 20267), (1053, 18708), (1404, 14031), (1559, 12636), (2106, 9354), (3118, 6318), (3159, 6236), (4212, 4677)]