18624291

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 29503488

約数和(自身を除く): 10879197

約数列:

[1, 3, 7, 21, 41, 97, 123, 223, 287, 291, 669, 679, 861, 1561, 2037, 3977, 4683, 9143, 11931, 21631, 27429, 27839, 64001, 64893, 83517, 151417, 192003, 454251, 886871, 2660613, 6208097, 18624291]

約数ペア:

[(1, 18624291), (3, 6208097), (7, 2660613), (21, 886871), (41, 454251), (97, 192003), (123, 151417), (223, 83517), (287, 64893), (291, 64001), (669, 27839), (679, 27429), (861, 21631), (1561, 11931), (2037, 9143), (3977, 4683)]