18894395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17099}}^1$

素因数の和:17134

約数の個数: 16

約数和(自身を含む): 25855200

約数和(自身を除く): 6960805

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 17099, 85495, 222287, 290683, 1111435, 1453415, 3778879, 18894395]

約数ペア:

[(1, 18894395), (5, 3778879), (13, 1453415), (17, 1111435), (65, 290683), (85, 222287), (221, 85495), (1105, 17099)]