20180212156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1787}}^1\times {\mathrm{217169}}^1$

素因数の和:218973

約数の個数: 24

約数和(自身を含む): 38053396080

約数和(自身を除く): 17873183924

約数列:

[1, 2, 4, 13, 26, 52, 1787, 3574, 7148, 23231, 46462, 92924, 217169, 434338, 868676, 2823197, 5646394, 11292788, 388081003, 776162006, 1552324012, 5045053039, 10090106078, 20180212156]

約数ペア:

[(1, 20180212156), (2, 10090106078), (4, 5045053039), (13, 1552324012), (26, 776162006), (52, 388081003), (1787, 11292788), (3574, 5646394), (7148, 2823197), (23231, 868676), (46462, 434338), (92924, 217169)]