19889844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2161}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 50850240

約数和(自身を除く): 30960396

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 177, 236, 354, 708, 767, 1534, 2161, 2301, 3068, 4322, 4602, 6483, 8644, 9204, 12966, 25932, 28093, 56186, 84279, 112372, 127499, 168558, 254998, 337116, 382497, 509996, 764994, 1529988, 1657487, 3314974, 4972461, 6629948, 9944922, 19889844]

約数ペア:

[(1, 19889844), (2, 9944922), (3, 6629948), (4, 4972461), (6, 3314974), (12, 1657487), (13, 1529988), (26, 764994), (39, 509996), (52, 382497), (59, 337116), (78, 254998), (118, 168558), (156, 127499), (177, 112372), (236, 84279), (354, 56186), (708, 28093), (767, 25932), (1534, 12966), (2161, 9204), (2301, 8644), (3068, 6483), (4322, 4602)]