19992308

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6673}}^1$

素因数の和:6791

約数の個数: 24

約数和(自身を含む): 40364352

約数和(自身を除く): 20372044

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6673, 13346, 26692, 46711, 93422, 186844, 714011, 1428022, 2856044, 4998077, 9996154, 19992308]

約数ペア:

[(1, 19992308), (2, 9996154), (4, 4998077), (7, 2856044), (14, 1428022), (28, 714011), (107, 186844), (214, 93422), (428, 46711), (749, 26692), (1498, 13346), (2996, 6673)]