19749801

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 9798999

約数列:

[1, 3, 17, 23, 51, 69, 113, 149, 339, 391, 447, 1173, 1921, 2533, 2599, 3427, 5763, 7599, 7797, 10281, 16837, 44183, 50511, 58259, 132549, 174777, 286229, 387251, 858687, 1161753, 6583267, 19749801]

約数ペア:

[(1, 19749801), (3, 6583267), (17, 1161753), (23, 858687), (51, 387251), (69, 286229), (113, 174777), (149, 132549), (339, 58259), (391, 50511), (447, 44183), (1173, 16837), (1921, 10281), (2533, 7797), (2599, 7599), (3427, 5763)]