19998524

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54941}}^1$

素因数の和:54965

約数の個数: 24

約数和(自身を含む): 43074528

約数和(自身を除く): 23076004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54941, 109882, 219764, 384587, 714233, 769174, 1428466, 1538348, 2856932, 4999631, 9999262, 19998524]

約数ペア:

[(1, 19998524), (2, 9999262), (4, 4999631), (7, 2856932), (13, 1538348), (14, 1428466), (26, 769174), (28, 714233), (52, 384587), (91, 219764), (182, 109882), (364, 54941)]