19287724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3187}}^1$

素因数の和:3297

約数の個数: 24

約数和(自身を含む): 36151920

約数和(自身を除く): 16864196

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3187, 6052, 6374, 12748, 54179, 108358, 216716, 283643, 567286, 1134572, 4821931, 9643862, 19287724]

約数ペア:

[(1, 19287724), (2, 9643862), (4, 4821931), (17, 1134572), (34, 567286), (68, 283643), (89, 216716), (178, 108358), (356, 54179), (1513, 12748), (3026, 6374), (3187, 6052)]