18966981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5273}}^1$

素因数の和:5396

約数の個数: 16

約数和(自身を含む): 27846720

約数和(自身を除く): 8879739

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5273, 15819, 58003, 174009, 574757, 1724271, 6322327, 18966981]

約数ペア:

[(1, 18966981), (3, 6322327), (11, 1724271), (33, 574757), (109, 174009), (327, 58003), (1199, 15819), (3597, 5273)]