19515017

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 21098880

約数和(自身を除く): 1583863

約数列:

[1, 23, 59, 73, 197, 1357, 1679, 4307, 4531, 11623, 14381, 99061, 267329, 330763, 848479, 19515017]

約数ペア:

[(1, 19515017), (23, 848479), (59, 330763), (73, 267329), (197, 99061), (1357, 14381), (1679, 11623), (4307, 4531)]