19722760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25951}}^1$

素因数の和:25981

約数の個数: 32

約数和(自身を含む): 46713600

約数和(自身を除く): 26990840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25951, 51902, 103804, 129755, 207608, 259510, 493069, 519020, 986138, 1038040, 1972276, 2465345, 3944552, 4930690, 9861380, 19722760]

約数ペア:

[(1, 19722760), (2, 9861380), (4, 4930690), (5, 3944552), (8, 2465345), (10, 1972276), (19, 1038040), (20, 986138), (38, 519020), (40, 493069), (76, 259510), (95, 207608), (152, 129755), (190, 103804), (380, 51902), (760, 25951)]