18638516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1579}}^1$

素因数の和:1823

約数の個数: 24

約数和(自身を含む): 35303520

約数和(自身を除く): 16665004

約数列:

[1, 2, 4, 13, 26, 52, 227, 454, 908, 1579, 2951, 3158, 5902, 6316, 11804, 20527, 41054, 82108, 358433, 716866, 1433732, 4659629, 9319258, 18638516]

約数ペア:

[(1, 18638516), (2, 9319258), (4, 4659629), (13, 1433732), (26, 716866), (52, 358433), (227, 82108), (454, 41054), (908, 20527), (1579, 11804), (2951, 6316), (3158, 5902)]