19392145

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 23882688

約数和(自身を除く): 4490543

約数列:

[1, 5, 67, 107, 335, 535, 541, 2705, 7169, 35845, 36247, 57887, 181235, 289435, 3878429, 19392145]

約数ペア:

[(1, 19392145), (5, 3878429), (67, 289435), (107, 181235), (335, 57887), (535, 36247), (541, 35845), (2705, 7169)]