17886115

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 23690448

約数和(自身を除く): 5804333

約数列:

[1, 5, 13, 61, 65, 169, 305, 347, 793, 845, 1735, 3965, 4511, 10309, 21167, 22555, 51545, 58643, 105835, 275171, 293215, 1375855, 3577223, 17886115]

約数ペア:

[(1, 17886115), (5, 3577223), (13, 1375855), (61, 293215), (65, 275171), (169, 105835), (305, 58643), (347, 51545), (793, 22555), (845, 21167), (1735, 10309), (3965, 4511)]