18726904

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1933}}^1$

素因数の和:2119

約数の個数: 32

約数和(自身を含む): 40381920

約数和(自身を除く): 21655016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 1933, 2422, 3866, 4844, 7732, 9688, 13531, 15464, 27062, 54124, 108248, 334409, 668818, 1337636, 2340863, 2675272, 4681726, 9363452, 18726904]

約数ペア:

[(1, 18726904), (2, 9363452), (4, 4681726), (7, 2675272), (8, 2340863), (14, 1337636), (28, 668818), (56, 334409), (173, 108248), (346, 54124), (692, 27062), (1211, 15464), (1384, 13531), (1933, 9688), (2422, 7732), (3866, 4844)]