18988896916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2748827}}^1$

素因数の和:2748999

約数の個数: 24

約数和(自身を含む): 36482445216

約数和(自身を除く): 17493548300

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3454, 6908, 2748827, 5497654, 10995308, 30237097, 60474194, 120948388, 431565839, 863131678, 1726263356, 4747224229, 9494448458, 18988896916]

約数ペア:

[(1, 18988896916), (2, 9494448458), (4, 4747224229), (11, 1726263356), (22, 863131678), (44, 431565839), (157, 120948388), (314, 60474194), (628, 30237097), (1727, 10995308), (3454, 5497654), (6908, 2748827)]