19667290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47969}}^1$

素因数の和:48017

約数の個数: 16

約数和(自身を含む): 36265320

約数和(自身を除く): 16598030

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 47969, 95938, 239845, 479690, 1966729, 3933458, 9833645, 19667290]

約数ペア:

[(1, 19667290), (2, 9833645), (5, 3933458), (10, 1966729), (41, 479690), (82, 239845), (205, 95938), (410, 47969)]