19666173

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{677}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 27467136

約数和(自身を除く): 7800963

約数列:

[1, 3, 23, 69, 421, 677, 1263, 2031, 9683, 15571, 29049, 46713, 285017, 855051, 6555391, 19666173]

約数ペア:

[(1, 19666173), (3, 6555391), (23, 855051), (69, 285017), (421, 46713), (677, 29049), (1263, 15571), (2031, 9683)]