19955354

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4937}}^1$

素因数の和:5029

約数の個数: 16

約数和(自身を含む): 31287168

約数和(自身を除く): 11331814

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 4937, 9874, 212291, 232039, 424582, 464078, 9977677, 19955354]

約数ペア:

[(1, 19955354), (2, 9977677), (43, 464078), (47, 424582), (86, 232039), (94, 212291), (2021, 9874), (4042, 4937)]