19612537

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2088

約数の個数: 16

約数和(自身を含む): 23784192

約数和(自身を除く): 4171655

約数列:

[1, 7, 23, 61, 161, 427, 1403, 1997, 9821, 13979, 45931, 121817, 321517, 852719, 2801791, 19612537]

約数ペア:

[(1, 19612537), (7, 2801791), (23, 852719), (61, 321517), (161, 121817), (427, 45931), (1403, 13979), (1997, 9821)]