18663994

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 32037120

約数和(自身を除く): 13373126

約数列:

[1, 2, 17, 23, 29, 34, 46, 58, 391, 493, 667, 782, 823, 986, 1334, 1646, 11339, 13991, 18929, 22678, 23867, 27982, 37858, 47734, 321793, 405739, 548941, 643586, 811478, 1097882, 9331997, 18663994]

約数ペア:

[(1, 18663994), (2, 9331997), (17, 1097882), (23, 811478), (29, 643586), (34, 548941), (46, 405739), (58, 321793), (391, 47734), (493, 37858), (667, 27982), (782, 23867), (823, 22678), (986, 18929), (1334, 13991), (1646, 11339)]