15920244

素因数分解:

$2^2\times 3^2\times {\mathrm{442229}}^1$

素因数の和:442239

約数の個数: 18

約数和(自身を含む): 40242930

約数和(自身を除く): 24322686

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 442229, 884458, 1326687, 1768916, 2653374, 3980061, 5306748, 7960122, 15920244]

約数ペア:

[(1, 15920244), (2, 7960122), (3, 5306748), (4, 3980061), (6, 2653374), (9, 1768916), (12, 1326687), (18, 884458), (36, 442229)]