19339840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4649}}^1$

素因数の和:4679

約数の個数: 56

約数和(自身を含む): 49606200

約数和(自身を除く): 30266360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4649, 9298, 18596, 23245, 37192, 46490, 60437, 74384, 92980, 120874, 148768, 185960, 241748, 297536, 302185, 371920, 483496, 604370, 743840, 966992, 1208740, 1487680, 1933984, 2417480, 3867968, 4834960, 9669920, 19339840]

約数ペア:

[(1, 19339840), (2, 9669920), (4, 4834960), (5, 3867968), (8, 2417480), (10, 1933984), (13, 1487680), (16, 1208740), (20, 966992), (26, 743840), (32, 604370), (40, 483496), (52, 371920), (64, 302185), (65, 297536), (80, 241748), (104, 185960), (130, 148768), (160, 120874), (208, 92980), (260, 74384), (320, 60437), (416, 46490), (520, 37192), (832, 23245), (1040, 18596), (2080, 9298), (4160, 4649)]