19671990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50441}}^1$

素因数の和:50464

約数の個数: 32

約数和(自身を含む): 50845536

約数和(自身を除く): 31173546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50441, 100882, 151323, 252205, 302646, 504410, 655733, 756615, 1311466, 1513230, 1967199, 3278665, 3934398, 6557330, 9835995, 19671990]

約数ペア:

[(1, 19671990), (2, 9835995), (3, 6557330), (5, 3934398), (6, 3278665), (10, 1967199), (13, 1513230), (15, 1311466), (26, 756615), (30, 655733), (39, 504410), (65, 302646), (78, 252205), (130, 151323), (195, 100882), (390, 50441)]