19728934

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{757}}^1$

素因数の和:999

約数の個数: 16

約数和(自身を含む): 30180528

約数和(自身を除く): 10451594

約数列:

[1, 2, 83, 157, 166, 314, 757, 1514, 13031, 26062, 62831, 118849, 125662, 237698, 9864467, 19728934]

約数ペア:

[(1, 19728934), (2, 9864467), (83, 237698), (157, 125662), (166, 118849), (314, 62831), (757, 26062), (1514, 13031)]