19458064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71537}}^1$

素因数の和:71562

約数の個数: 20

約数和(自身を含む): 39918204

約数和(自身を除く): 20460140

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71537, 143074, 286148, 572296, 1144592, 1216129, 2432258, 4864516, 9729032, 19458064]

約数ペア:

[(1, 19458064), (2, 9729032), (4, 4864516), (8, 2432258), (16, 1216129), (17, 1144592), (34, 572296), (68, 286148), (136, 143074), (272, 71537)]