17966183020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2488391}}^1$

素因数の和:2488438

約数の個数: 36

約数和(自身を含む): 39819248784

約数和(自身を除く): 21853065764

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 2488391, 4976782, 9953564, 12441955, 24883910, 47279429, 49767820, 94558858, 189117716, 236397145, 472794290, 898309151, 945588580, 1796618302, 3593236604, 4491545755, 8983091510, 17966183020]

約数ペア:

[(1, 17966183020), (2, 8983091510), (4, 4491545755), (5, 3593236604), (10, 1796618302), (19, 945588580), (20, 898309151), (38, 472794290), (76, 236397145), (95, 189117716), (190, 94558858), (361, 49767820), (380, 47279429), (722, 24883910), (1444, 12441955), (1805, 9953564), (3610, 4976782), (7220, 2488391)]