19997022

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{6397}}^1$

素因数の和:6923

約数の個数: 16

約数和(自身を含む): 40077072

約数和(自身を除く): 20080050

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 6397, 12794, 19191, 38382, 3332837, 6665674, 9998511, 19997022]

約数ペア:

[(1, 19997022), (2, 9998511), (3, 6665674), (6, 3332837), (521, 38382), (1042, 19191), (1563, 12794), (3126, 6397)]