18989472095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3879361}}^1$

素因数の和:3879466

約数の個数: 16

約数和(自身を含む): 25138265760

約数和(自身を除く): 6148793665

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 3879361, 19396805, 42672971, 213364855, 345263129, 1726315645, 3797894419, 18989472095]

約数ペア:

[(1, 18989472095), (5, 3797894419), (11, 1726315645), (55, 345263129), (89, 213364855), (445, 42672971), (979, 19396805), (4895, 3879361)]