19981298

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6857}}^1$

素因数の和:6937

約数の個数: 16

約数和(自身を含む): 31601664

約数和(自身を除く): 11620366

約数列:

[1, 2, 31, 47, 62, 94, 1457, 2914, 6857, 13714, 212567, 322279, 425134, 644558, 9990649, 19981298]

約数ペア:

[(1, 19981298), (2, 9990649), (31, 644558), (47, 425134), (62, 322279), (94, 212567), (1457, 13714), (2914, 6857)]