20180989942

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{401069}}^1$

素因数の和:401391

約数の個数: 16

約数和(自身を含む): 30657790800

約数和(自身を除く): 10476800858

約数列:

[1, 2, 139, 181, 278, 362, 25159, 50318, 401069, 802138, 55748591, 72593489, 111497182, 145186978, 10090494971, 20180989942]

約数ペア:

[(1, 20180989942), (2, 10090494971), (139, 145186978), (181, 111497182), (278, 72593489), (362, 55748591), (25159, 802138), (50318, 401069)]