19459461

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 30820608

約数和(自身を除く): 11361147

約数列:

[1, 3, 7, 21, 41, 97, 123, 233, 287, 291, 679, 699, 861, 1631, 2037, 3977, 4893, 9553, 11931, 22601, 27839, 28659, 66871, 67803, 83517, 158207, 200613, 474621, 926641, 2779923, 6486487, 19459461]

約数ペア:

[(1, 19459461), (3, 6486487), (7, 2779923), (21, 926641), (41, 474621), (97, 200613), (123, 158207), (233, 83517), (287, 67803), (291, 66871), (679, 28659), (699, 27839), (861, 22601), (1631, 11931), (2037, 9553), (3977, 4893)]