18948215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26501}}^1$

素因数の和:26530

約数の個数: 16

約数和(自身を含む): 26714016

約数和(自身を除く): 7765801

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 26501, 132505, 291511, 344513, 1457555, 1722565, 3789643, 18948215]

約数ペア:

[(1, 18948215), (5, 3789643), (11, 1722565), (13, 1457555), (55, 344513), (65, 291511), (143, 132505), (715, 26501)]