19866273

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41131}}^1$

素因数の和:41164

約数の個数: 16

約数和(自身を含む): 31589376

約数和(自身を除く): 11723103

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41131, 123393, 287917, 863751, 946013, 2838039, 6622091, 19866273]

約数ペア:

[(1, 19866273), (3, 6622091), (7, 2838039), (21, 946013), (23, 863751), (69, 287917), (161, 123393), (483, 41131)]