19987524

素因数分解:

$2^2\times 3^2\times {\mathrm{555209}}^1$

素因数の和:555219

約数の個数: 18

約数和(自身を含む): 50524110

約数和(自身を除く): 30536586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555209, 1110418, 1665627, 2220836, 3331254, 4996881, 6662508, 9993762, 19987524]

約数ペア:

[(1, 19987524), (2, 9993762), (3, 6662508), (4, 4996881), (6, 3331254), (9, 2220836), (12, 1665627), (18, 1110418), (36, 555209)]