18572109

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 9297075

約数列:

[1, 3, 17, 23, 51, 69, 71, 213, 223, 391, 669, 1173, 1207, 1633, 3621, 3791, 4899, 5129, 11373, 15387, 15833, 27761, 47499, 83283, 87193, 261579, 269161, 364159, 807483, 1092477, 6190703, 18572109]

約数ペア:

[(1, 18572109), (3, 6190703), (17, 1092477), (23, 807483), (51, 364159), (69, 269161), (71, 261579), (213, 87193), (223, 83283), (391, 47499), (669, 27761), (1173, 15833), (1207, 15387), (1633, 11373), (3621, 5129), (3791, 4899)]