19885465

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2287}}^1$

素因数の和:2376

約数の個数: 16

約数和(自身を含む): 25039872

約数和(自身を除く): 5154407

約数列:

[1, 5, 37, 47, 185, 235, 1739, 2287, 8695, 11435, 84619, 107489, 423095, 537445, 3977093, 19885465]

約数ペア:

[(1, 19885465), (5, 3977093), (37, 537445), (47, 423095), (185, 107489), (235, 84619), (1739, 11435), (2287, 8695)]