18644120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42373}}^1$

素因数の和:42395

約数の個数: 32

約数和(自身を含む): 45763920

約数和(自身を除く): 27119800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42373, 84746, 169492, 211865, 338984, 423730, 466103, 847460, 932206, 1694920, 1864412, 2330515, 3728824, 4661030, 9322060, 18644120]

約数ペア:

[(1, 18644120), (2, 9322060), (4, 4661030), (5, 3728824), (8, 2330515), (10, 1864412), (11, 1694920), (20, 932206), (22, 847460), (40, 466103), (44, 423730), (55, 338984), (88, 211865), (110, 169492), (220, 84746), (440, 42373)]