18916018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{16223}}^1$

素因数の和:16289

約数の個数: 16

約数和(自身を含む): 31539456

約数和(自身を除く): 12623438

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 16223, 32446, 178453, 356906, 859819, 1719638, 9458009, 18916018]

約数ペア:

[(1, 18916018), (2, 9458009), (11, 1719638), (22, 859819), (53, 356906), (106, 178453), (583, 32446), (1166, 16223)]