19992010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48761}}^1$

素因数の和:48809

約数の個数: 16

約数和(自身を含む): 36864072

約数和(自身を除く): 16872062

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48761, 97522, 243805, 487610, 1999201, 3998402, 9996005, 19992010]

約数ペア:

[(1, 19992010), (2, 9996005), (5, 3998402), (10, 1999201), (41, 487610), (82, 243805), (205, 97522), (410, 48761)]