18966513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{8867}}^1$

素因数の和:8924

約数の個数: 16

約数和(自身を含む): 27242496

約数和(自身を除く): 8275983

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 8867, 26601, 203941, 274877, 611823, 824631, 6322171, 18966513]

約数ペア:

[(1, 18966513), (3, 6322171), (23, 824631), (31, 611823), (69, 274877), (93, 203941), (713, 26601), (2139, 8867)]