18945424

素因数分解:

$2^4\times {\mathrm{569}}^1\times {\mathrm{2081}}^1$

素因数の和:2658

約数の個数: 20

約数和(自身を含む): 36788940

約数和(自身を除く): 17843516

約数列:

[1, 2, 4, 8, 16, 569, 1138, 2081, 2276, 4162, 4552, 8324, 9104, 16648, 33296, 1184089, 2368178, 4736356, 9472712, 18945424]

約数ペア:

[(1, 18945424), (2, 9472712), (4, 4736356), (8, 2368178), (16, 1184089), (569, 33296), (1138, 16648), (2081, 9104), (2276, 8324), (4162, 4552)]