19964872

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{24709}}^1$

素因数の和:24816

約数の個数: 16

約数和(自身を含む): 37806300

約数和(自身を除く): 17841428

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 24709, 49418, 98836, 197672, 2495609, 4991218, 9982436, 19964872]

約数ペア:

[(1, 19964872), (2, 9982436), (4, 4991218), (8, 2495609), (101, 197672), (202, 98836), (404, 49418), (808, 24709)]