19965518

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 24

約数和(自身を含む): 31773168

約数和(自身を除く): 11807650

約数列:

[1, 2, 23, 46, 113, 167, 226, 334, 529, 1058, 2599, 3841, 5198, 7682, 18871, 37742, 59777, 88343, 119554, 176686, 434033, 868066, 9982759, 19965518]

約数ペア:

[(1, 19965518), (2, 9982759), (23, 868066), (46, 434033), (113, 176686), (167, 119554), (226, 88343), (334, 59777), (529, 37742), (1058, 18871), (2599, 7682), (3841, 5198)]