18795764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1997}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 35636328

約数和(自身を除く): 16840564

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 1997, 2353, 3994, 4706, 7988, 9412, 25961, 51922, 103844, 361457, 722914, 1445828, 4698941, 9397882, 18795764]

約数ペア:

[(1, 18795764), (2, 9397882), (4, 4698941), (13, 1445828), (26, 722914), (52, 361457), (181, 103844), (362, 51922), (724, 25961), (1997, 9412), (2353, 7988), (3994, 4706)]