19995326

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1153}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 34896960

約数和(自身を除く): 14901634

約数列:

[1, 2, 13, 23, 26, 29, 46, 58, 299, 377, 598, 667, 754, 1153, 1334, 2306, 8671, 14989, 17342, 26519, 29978, 33437, 53038, 66874, 344747, 434681, 689494, 769051, 869362, 1538102, 9997663, 19995326]

約数ペア:

[(1, 19995326), (2, 9997663), (13, 1538102), (23, 869362), (26, 769051), (29, 689494), (46, 434681), (58, 344747), (299, 66874), (377, 53038), (598, 33437), (667, 29978), (754, 26519), (1153, 17342), (1334, 14989), (2306, 8671)]