18628467

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 29465856

約数和(自身を除く): 10837389

約数列:

[1, 3, 11, 13, 33, 39, 143, 173, 251, 429, 519, 753, 1903, 2249, 2761, 3263, 5709, 6747, 8283, 9789, 24739, 35893, 43423, 74217, 107679, 130269, 477653, 564499, 1432959, 1693497, 6209489, 18628467]

約数ペア:

[(1, 18628467), (3, 6209489), (11, 1693497), (13, 1432959), (33, 564499), (39, 477653), (143, 130269), (173, 107679), (251, 74217), (429, 43423), (519, 35893), (753, 24739), (1903, 9789), (2249, 8283), (2761, 6747), (3263, 5709)]