16688836

素因数分解:

$2^2\times {\mathrm{101}}^2\times {\mathrm{409}}^1$

素因数の和:615

約数の個数: 18

約数和(自身を含む): 29569610

約数和(自身を除く): 12880774

約数列:

[1, 2, 4, 101, 202, 404, 409, 818, 1636, 10201, 20402, 40804, 41309, 82618, 165236, 4172209, 8344418, 16688836]

約数ペア:

[(1, 16688836), (2, 8344418), (4, 4172209), (101, 165236), (202, 82618), (404, 41309), (409, 40804), (818, 20402), (1636, 10201)]