18692638

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{887}}^1$

素因数の和:1187

約数の個数: 16

約数和(自身を含む): 28867104

約数和(自身を除く): 10174466

約数列:

[1, 2, 41, 82, 257, 514, 887, 1774, 10537, 21074, 36367, 72734, 227959, 455918, 9346319, 18692638]

約数ペア:

[(1, 18692638), (2, 9346319), (41, 455918), (82, 227959), (257, 72734), (514, 36367), (887, 21074), (1774, 10537)]