19072221

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5641}}^1$

素因数の和:5681

約数の個数: 24

約数和(自身を含む): 30873024

約数和(自身を除く): 11800803

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 5641, 16923, 39487, 118461, 129743, 276409, 389229, 829227, 908201, 2724603, 6357407, 19072221]

約数ペア:

[(1, 19072221), (3, 6357407), (7, 2724603), (21, 908201), (23, 829227), (49, 389229), (69, 276409), (147, 129743), (161, 118461), (483, 39487), (1127, 16923), (3381, 5641)]