2019903145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{4957}}^1\times {\mathrm{6269}}^1$

素因数の和:11244

約数の個数: 16

約数和(自身を含む): 2611279440

約数和(自身を除く): 591376295

約数列:

[1, 5, 13, 65, 4957, 6269, 24785, 31345, 64441, 81497, 322205, 407485, 31075433, 155377165, 403980629, 2019903145]

約数ペア:

[(1, 2019903145), (5, 403980629), (13, 155377165), (65, 31075433), (4957, 407485), (6269, 322205), (24785, 81497), (31345, 64441)]