18800291

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 20812800

約数和(自身を除く): 2012509

約数列:

[1, 19, 31, 59, 541, 589, 1121, 1829, 10279, 16771, 31919, 34751, 318649, 606461, 989489, 18800291]

約数ペア:

[(1, 18800291), (19, 989489), (31, 606461), (59, 318649), (541, 34751), (589, 31919), (1121, 16771), (1829, 10279)]