18151760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20627}}^1$

素因数の和:20651

約数の個数: 40

約数和(自身を含む): 46041696

約数和(自身を除く): 27889936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20627, 41254, 82508, 103135, 165016, 206270, 226897, 330032, 412540, 453794, 825080, 907588, 1134485, 1650160, 1815176, 2268970, 3630352, 4537940, 9075880, 18151760]

約数ペア:

[(1, 18151760), (2, 9075880), (4, 4537940), (5, 3630352), (8, 2268970), (10, 1815176), (11, 1650160), (16, 1134485), (20, 907588), (22, 825080), (40, 453794), (44, 412540), (55, 330032), (80, 226897), (88, 206270), (110, 165016), (176, 103135), (220, 82508), (440, 41254), (880, 20627)]