18137518

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 24

約数和(自身を含む): 31659696

約数和(自身を除く): 13522178

約数列:

[1, 2, 7, 14, 71, 142, 257, 497, 514, 994, 1799, 3598, 5041, 10082, 18247, 35287, 36494, 70574, 127729, 255458, 1295537, 2591074, 9068759, 18137518]

約数ペア:

[(1, 18137518), (2, 9068759), (7, 2591074), (14, 1295537), (71, 255458), (142, 127729), (257, 70574), (497, 36494), (514, 35287), (994, 18247), (1799, 10082), (3598, 5041)]