19998078

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{81293}}^1$

素因数の和:81339

約数の個数: 16

約数和(自身を含む): 40972176

約数和(自身を除く): 20974098

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 81293, 162586, 243879, 487758, 3333013, 6666026, 9999039, 19998078]

約数ペア:

[(1, 19998078), (2, 9999039), (3, 6666026), (6, 3333013), (41, 487758), (82, 243879), (123, 162586), (246, 81293)]