18507279

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28429}}^1$

素因数の和:28470

約数の個数: 16

約数和(自身を含む): 29112320

約数和(自身を除く): 10605041

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 28429, 85287, 199003, 597009, 881299, 2643897, 6169093, 18507279]

約数ペア:

[(1, 18507279), (3, 6169093), (7, 2643897), (21, 881299), (31, 597009), (93, 199003), (217, 85287), (651, 28429)]