19978962

素因数分解:

$2^1\times 3^1\times {\mathrm{499}}^1\times {\mathrm{6673}}^1$

素因数の和:7177

約数の個数: 16

約数和(自身を含む): 40044000

約数和(自身を除く): 20065038

約数列:

[1, 2, 3, 6, 499, 998, 1497, 2994, 6673, 13346, 20019, 40038, 3329827, 6659654, 9989481, 19978962]

約数ペア:

[(1, 19978962), (2, 9989481), (3, 6659654), (6, 3329827), (499, 40038), (998, 20019), (1497, 13346), (2994, 6673)]