2018963950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{4211}}^1$

素因数の和:4489

約数の個数: 48

約数和(自身を含む): 3860752896

約数和(自身を除く): 1841788946

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 223, 430, 446, 1075, 1115, 2150, 2230, 4211, 5575, 8422, 9589, 11150, 19178, 21055, 42110, 47945, 95890, 105275, 181073, 210550, 239725, 362146, 479450, 905365, 939053, 1810730, 1878106, 4526825, 4695265, 9053650, 9390530, 23476325, 40379279, 46952650, 80758558, 201896395, 403792790, 1009481975, 2018963950]

約数ペア:

[(1, 2018963950), (2, 1009481975), (5, 403792790), (10, 201896395), (25, 80758558), (43, 46952650), (50, 40379279), (86, 23476325), (215, 9390530), (223, 9053650), (430, 4695265), (446, 4526825), (1075, 1878106), (1115, 1810730), (2150, 939053), (2230, 905365), (4211, 479450), (5575, 362146), (8422, 239725), (9589, 210550), (11150, 181073), (19178, 105275), (21055, 95890), (42110, 47945)]