1989604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 3749760

約数和(自身を除く): 1760156

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 557, 893, 1114, 1786, 2228, 3572, 10583, 21166, 26179, 42332, 52358, 104716, 497401, 994802, 1989604]

約数ペア:

[(1, 1989604), (2, 994802), (4, 497401), (19, 104716), (38, 52358), (47, 42332), (76, 26179), (94, 21166), (188, 10583), (557, 3572), (893, 2228), (1114, 1786)]