18711203

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1621}}^1$

素因数の和:1742

約数の個数: 16

約数和(自身を含む): 22889664

約数和(自身を除く): 4178461

約数列:

[1, 7, 17, 97, 119, 679, 1621, 1649, 11347, 11543, 27557, 157237, 192899, 1100659, 2673029, 18711203]

約数ペア:

[(1, 18711203), (7, 2673029), (17, 1100659), (97, 192899), (119, 157237), (679, 27557), (1621, 11543), (1649, 11347)]