19420119

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4079}}^1$

素因数の和:4131

約数の個数: 18

約数和(自身を含む): 29331120

約数和(自身を除く): 9911001

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4079, 4761, 12237, 36711, 93817, 281451, 844353, 2157791, 6473373, 19420119]

約数ペア:

[(1, 19420119), (3, 6473373), (9, 2157791), (23, 844353), (69, 281451), (207, 93817), (529, 36711), (1587, 12237), (4079, 4761)]