19687878

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{156253}}^1$

素因数の和:156268

約数の個数: 24

約数和(自身を含む): 48751248

約数和(自身を除く): 29063370

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 156253, 312506, 468759, 937518, 1093771, 1406277, 2187542, 2812554, 3281313, 6562626, 9843939, 19687878]

約数ペア:

[(1, 19687878), (2, 9843939), (3, 6562626), (6, 3281313), (7, 2812554), (9, 2187542), (14, 1406277), (18, 1093771), (21, 937518), (42, 468759), (63, 312506), (126, 156253)]