19815056

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{2543}}^1$

素因数の和:3038

約数の個数: 20

約数和(自身を含む): 38485632

約数和(自身を除く): 18670576

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 2543, 3896, 5086, 7792, 10172, 20344, 40688, 1238441, 2476882, 4953764, 9907528, 19815056]

約数ペア:

[(1, 19815056), (2, 9907528), (4, 4953764), (8, 2476882), (16, 1238441), (487, 40688), (974, 20344), (1948, 10172), (2543, 7792), (3896, 5086)]