19701982

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{601}}^1$

素因数の和:1083

約数の個数: 16

約数和(自身を含む): 30470832

約数和(自身を除く): 10768850

約数列:

[1, 2, 37, 74, 443, 601, 886, 1202, 16391, 22237, 32782, 44474, 266243, 532486, 9850991, 19701982]

約数ペア:

[(1, 19701982), (2, 9850991), (37, 532486), (74, 266243), (443, 44474), (601, 32782), (886, 22237), (1202, 16391)]