18847016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{138581}}^1$

素因数の和:138604

約数の個数: 16

約数和(自身を含む): 37417140

約数和(自身を除く): 18570124

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 138581, 277162, 554324, 1108648, 2355877, 4711754, 9423508, 18847016]

約数ペア:

[(1, 18847016), (2, 9423508), (4, 4711754), (8, 2355877), (17, 1108648), (34, 554324), (68, 277162), (136, 138581)]