18257193

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 27855360

約数和(自身を除く): 9598167

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 801, 991, 2047, 2973, 6141, 8919, 18423, 22793, 68379, 88199, 205137, 264597, 793791, 2028577, 6085731, 18257193]

約数ペア:

[(1, 18257193), (3, 6085731), (9, 2028577), (23, 793791), (69, 264597), (89, 205137), (207, 88199), (267, 68379), (801, 22793), (991, 18423), (2047, 8919), (2973, 6141)]