18472520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41983}}^1$

素因数の和:42005

約数の個数: 32

約数和(自身を含む): 45342720

約数和(自身を除く): 26870200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41983, 83966, 167932, 209915, 335864, 419830, 461813, 839660, 923626, 1679320, 1847252, 2309065, 3694504, 4618130, 9236260, 18472520]

約数ペア:

[(1, 18472520), (2, 9236260), (4, 4618130), (5, 3694504), (8, 2309065), (10, 1847252), (11, 1679320), (20, 923626), (22, 839660), (40, 461813), (44, 419830), (55, 335864), (88, 209915), (110, 167932), (220, 83966), (440, 41983)]