17982220

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1597}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 37853424

約数和(自身を除く): 19871204

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 1597, 2252, 2815, 3194, 5630, 6388, 7985, 11260, 15970, 31940, 899111, 1798222, 3596444, 4495555, 8991110, 17982220]

約数ペア:

[(1, 17982220), (2, 8991110), (4, 4495555), (5, 3596444), (10, 1798222), (20, 899111), (563, 31940), (1126, 15970), (1597, 11260), (2252, 7985), (2815, 6388), (3194, 5630)]