19123071

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3691}}^1$

素因数の和:3862

約数の個数: 16

約数和(自身を含む): 28000128

約数和(自身を除く): 8877057

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3691, 5181, 11073, 40601, 121803, 579487, 1738461, 6374357, 19123071]

約数ペア:

[(1, 19123071), (3, 6374357), (11, 1738461), (33, 579487), (157, 121803), (471, 40601), (1727, 11073), (3691, 5181)]