1997930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 4027968

約数和(自身を除く): 2030038

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 443, 451, 886, 902, 2215, 2255, 4430, 4510, 4873, 9746, 18163, 24365, 36326, 48730, 90815, 181630, 199793, 399586, 998965, 1997930]

約数ペア:

[(1, 1997930), (2, 998965), (5, 399586), (10, 199793), (11, 181630), (22, 90815), (41, 48730), (55, 36326), (82, 24365), (110, 18163), (205, 9746), (410, 4873), (443, 4510), (451, 4430), (886, 2255), (902, 2215)]