18318741

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 31215744

約数和(自身を除く): 12897003

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 97, 119, 161, 291, 357, 391, 483, 529, 679, 1173, 1587, 1649, 2037, 2231, 2737, 3703, 4947, 6693, 8211, 8993, 11109, 11543, 15617, 26979, 34629, 37927, 46851, 51313, 62951, 113781, 153939, 188853, 265489, 359191, 796467, 872321, 1077573, 2616963, 6106247, 18318741]

約数ペア:

[(1, 18318741), (3, 6106247), (7, 2616963), (17, 1077573), (21, 872321), (23, 796467), (51, 359191), (69, 265489), (97, 188853), (119, 153939), (161, 113781), (291, 62951), (357, 51313), (391, 46851), (483, 37927), (529, 34629), (679, 26979), (1173, 15617), (1587, 11543), (1649, 11109), (2037, 8993), (2231, 8211), (2737, 6693), (3703, 4947)]