18780542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 32223744

約数和(自身を除く): 13443202

約数列:

[1, 2, 11, 22, 41, 47, 82, 94, 443, 451, 517, 886, 902, 1034, 1927, 3854, 4873, 9746, 18163, 20821, 21197, 36326, 41642, 42394, 199793, 229031, 399586, 458062, 853661, 1707322, 9390271, 18780542]

約数ペア:

[(1, 18780542), (2, 9390271), (11, 1707322), (22, 853661), (41, 458062), (47, 399586), (82, 229031), (94, 199793), (443, 42394), (451, 41642), (517, 36326), (886, 21197), (902, 20821), (1034, 18163), (1927, 9746), (3854, 4873)]