19618916

素因数分解:

$2^2\times {\mathrm{59}}^2\times {\mathrm{1409}}^1$

素因数の和:1531

約数の個数: 18

約数和(自身を含む): 34949670

約数和(自身を除く): 15330754

約数列:

[1, 2, 4, 59, 118, 236, 1409, 2818, 3481, 5636, 6962, 13924, 83131, 166262, 332524, 4904729, 9809458, 19618916]

約数ペア:

[(1, 19618916), (2, 9809458), (4, 4904729), (59, 332524), (118, 166262), (236, 83131), (1409, 13924), (2818, 6962), (3481, 5636)]