18277718

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1627}}^1$

素因数の和:1807

約数の個数: 16

約数和(自身を含む): 28307664

約数和(自身を除く): 10029946

約数列:

[1, 2, 41, 82, 137, 274, 1627, 3254, 5617, 11234, 66707, 133414, 222899, 445798, 9138859, 18277718]

約数ペア:

[(1, 18277718), (2, 9138859), (41, 445798), (82, 222899), (137, 133414), (274, 66707), (1627, 11234), (3254, 5617)]