18929764

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11083}}^1$

素因数の和:11155

約数の個数: 24

約数和(自身を含む): 38483648

約数和(自身を除く): 19553884

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11083, 22166, 44332, 77581, 155162, 310324, 676063, 1352126, 2704252, 4732441, 9464882, 18929764]

約数ペア:

[(1, 18929764), (2, 9464882), (4, 4732441), (7, 2704252), (14, 1352126), (28, 676063), (61, 310324), (122, 155162), (244, 77581), (427, 44332), (854, 22166), (1708, 11083)]