19811692

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1129}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 35879760

約数和(自身を除く): 16068068

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 1129, 2258, 4387, 4516, 8774, 17548, 46289, 92578, 120803, 185156, 241606, 483212, 4952923, 9905846, 19811692]

約数ペア:

[(1, 19811692), (2, 9905846), (4, 4952923), (41, 483212), (82, 241606), (107, 185156), (164, 120803), (214, 92578), (428, 46289), (1129, 17548), (2258, 8774), (4387, 4516)]