18770778

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{2971}}^1$

素因数の和:3001

約数の個数: 48

約数和(自身を含む): 45435936

約数和(自身を除く): 26665158

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 2971, 3159, 5942, 6318, 8913, 17826, 26739, 38623, 53478, 77246, 80217, 115869, 160434, 231738, 240651, 347607, 481302, 695214, 721953, 1042821, 1443906, 2085642, 3128463, 6256926, 9385389, 18770778]

約数ペア:

[(1, 18770778), (2, 9385389), (3, 6256926), (6, 3128463), (9, 2085642), (13, 1443906), (18, 1042821), (26, 721953), (27, 695214), (39, 481302), (54, 347607), (78, 240651), (81, 231738), (117, 160434), (162, 115869), (234, 80217), (243, 77246), (351, 53478), (486, 38623), (702, 26739), (1053, 17826), (2106, 8913), (2971, 6318), (3159, 5942)]