18716815874

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1\times {\mathrm{10111}}^1$

素因数の和:10626

約数の個数: 32

約数和(自身を含む): 29452615680

約数和(自身を除く): 10735799806

約数列:

[1, 2, 31, 62, 73, 146, 409, 818, 2263, 4526, 10111, 12679, 20222, 25358, 29857, 59714, 313441, 626882, 738103, 925567, 1476206, 1851134, 4135399, 8270798, 22881193, 45762386, 128197369, 256394738, 301884127, 603768254, 9358407937, 18716815874]

約数ペア:

[(1, 18716815874), (2, 9358407937), (31, 603768254), (62, 301884127), (73, 256394738), (146, 128197369), (409, 45762386), (818, 22881193), (2263, 8270798), (4526, 4135399), (10111, 1851134), (12679, 1476206), (20222, 925567), (25358, 738103), (29857, 626882), (59714, 313441)]