19645765

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2132

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 5030075

約数列:

[1, 5, 41, 47, 205, 235, 1927, 2039, 9635, 10195, 83599, 95833, 417995, 479165, 3929153, 19645765]

約数ペア:

[(1, 19645765), (5, 3929153), (41, 479165), (47, 417995), (205, 95833), (235, 83599), (1927, 10195), (2039, 9635)]