18488664

素因数分解:

$2^3\times 3^2\times {\mathrm{211}}^1\times {\mathrm{1217}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 50352120

約数和(自身を除く): 31863456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 211, 422, 633, 844, 1217, 1266, 1688, 1899, 2434, 2532, 3651, 3798, 4868, 5064, 7302, 7596, 9736, 10953, 14604, 15192, 21906, 29208, 43812, 87624, 256787, 513574, 770361, 1027148, 1540722, 2054296, 2311083, 3081444, 4622166, 6162888, 9244332, 18488664]

約数ペア:

[(1, 18488664), (2, 9244332), (3, 6162888), (4, 4622166), (6, 3081444), (8, 2311083), (9, 2054296), (12, 1540722), (18, 1027148), (24, 770361), (36, 513574), (72, 256787), (211, 87624), (422, 43812), (633, 29208), (844, 21906), (1217, 15192), (1266, 14604), (1688, 10953), (1899, 9736), (2434, 7596), (2532, 7302), (3651, 5064), (3798, 4868)]