19878010

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{11903}}^1$

素因数の和:12077

約数の個数: 16

約数和(自身を含む): 35997696

約数和(自身を除く): 16119686

約数列:

[1, 2, 5, 10, 167, 334, 835, 1670, 11903, 23806, 59515, 119030, 1987801, 3975602, 9939005, 19878010]

約数ペア:

[(1, 19878010), (2, 9939005), (5, 3975602), (10, 1987801), (167, 119030), (334, 59515), (835, 23806), (1670, 11903)]