19857136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95467}}^1$

素因数の和:95488

約数の個数: 20

約数和(自身を含む): 41433112

約数和(自身を除く): 21575976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95467, 190934, 381868, 763736, 1241071, 1527472, 2482142, 4964284, 9928568, 19857136]

約数ペア:

[(1, 19857136), (2, 9928568), (4, 4964284), (8, 2482142), (13, 1527472), (16, 1241071), (26, 763736), (52, 381868), (104, 190934), (208, 95467)]