19914622

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 39000960

約数和(自身を除く): 19086338

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 169, 182, 247, 266, 338, 443, 494, 886, 1183, 1729, 2366, 3101, 3211, 3458, 5759, 6202, 6422, 8417, 11518, 16834, 22477, 40313, 44954, 58919, 74867, 80626, 109421, 117838, 149734, 218842, 524069, 765947, 1048138, 1422473, 1531894, 2844946, 9957311, 19914622]

約数ペア:

[(1, 19914622), (2, 9957311), (7, 2844946), (13, 1531894), (14, 1422473), (19, 1048138), (26, 765947), (38, 524069), (91, 218842), (133, 149734), (169, 117838), (182, 109421), (247, 80626), (266, 74867), (338, 58919), (443, 44954), (494, 40313), (886, 22477), (1183, 16834), (1729, 11518), (2366, 8417), (3101, 6422), (3211, 6202), (3458, 5759)]