19699472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94709}}^1$

素因数の和:94730

約数の個数: 20

約数和(自身を含む): 41104140

約数和(自身を除く): 21404668

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94709, 189418, 378836, 757672, 1231217, 1515344, 2462434, 4924868, 9849736, 19699472]

約数ペア:

[(1, 19699472), (2, 9849736), (4, 4924868), (8, 2462434), (13, 1515344), (16, 1231217), (26, 757672), (52, 378836), (104, 189418), (208, 94709)]