18880212068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{592897}}^1$

素因数の和:593339

約数の個数: 24

約数和(自身を含む): 34862402400

約数和(自身を除く): 15982190332

約数列:

[1, 2, 4, 19, 38, 76, 419, 838, 1676, 7961, 15922, 31844, 592897, 1185794, 2371588, 11265043, 22530086, 45060172, 248423843, 496847686, 993695372, 4720053017, 9440106034, 18880212068]

約数ペア:

[(1, 18880212068), (2, 9440106034), (4, 4720053017), (19, 993695372), (38, 496847686), (76, 248423843), (419, 45060172), (838, 22530086), (1676, 11265043), (7961, 2371588), (15922, 1185794), (31844, 592897)]