19647156700820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89305257731}}^1$

素因数の和:89305257751

約数の個数: 24

約数和(自身を含む): 45009849896928

約数和(自身を除く): 25362693196108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89305257731, 178610515462, 357221030924, 446526288655, 893052577310, 982357835041, 1786105154620, 1964715670082, 3929431340164, 4911789175205, 9823578350410, 19647156700820]

約数ペア:

[(1, 19647156700820), (2, 9823578350410), (4, 4911789175205), (5, 3929431340164), (10, 1964715670082), (11, 1786105154620), (20, 982357835041), (22, 893052577310), (44, 446526288655), (55, 357221030924), (110, 178610515462), (220, 89305257731)]