18730959

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1451}}^1$

素因数の和:1798

約数の個数: 16

約数和(自身を含む): 26995584

約数和(自身を除く): 8264625

約数列:

[1, 3, 13, 39, 331, 993, 1451, 4303, 4353, 12909, 18863, 56589, 480281, 1440843, 6243653, 18730959]

約数ペア:

[(1, 18730959), (3, 6243653), (13, 1440843), (39, 480281), (331, 56589), (993, 18863), (1451, 12909), (4303, 4353)]