18955495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1511}}^1$

素因数の和:1722

約数の個数: 16

約数和(自身を含む): 24639552

約数和(自身を除く): 5684057

約数列:

[1, 5, 13, 65, 193, 965, 1511, 2509, 7555, 12545, 19643, 98215, 291623, 1458115, 3791099, 18955495]

約数ペア:

[(1, 18955495), (5, 3791099), (13, 1458115), (65, 291623), (193, 98215), (965, 19643), (1511, 12545), (2509, 7555)]