18641588

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39163}}^1$

素因数の和:39191

約数の個数: 24

約数和(自身を含む): 39477312

約数和(自身を除く): 20835724

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 39163, 78326, 156652, 274141, 548282, 665771, 1096564, 1331542, 2663084, 4660397, 9320794, 18641588]

約数ペア:

[(1, 18641588), (2, 9320794), (4, 4660397), (7, 2663084), (14, 1331542), (17, 1096564), (28, 665771), (34, 548282), (68, 274141), (119, 156652), (238, 78326), (476, 39163)]