19940972

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1453}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 36152256

約数和(自身を除く): 16211284

約数列:

[1, 2, 4, 47, 73, 94, 146, 188, 292, 1453, 2906, 3431, 5812, 6862, 13724, 68291, 106069, 136582, 212138, 273164, 424276, 4985243, 9970486, 19940972]

約数ペア:

[(1, 19940972), (2, 9970486), (4, 4985243), (47, 424276), (73, 273164), (94, 212138), (146, 136582), (188, 106069), (292, 68291), (1453, 13724), (2906, 6862), (3431, 5812)]