19990962

素因数分解:

$2^1\times 3^4\times {\mathrm{123401}}^1$

素因数の和:123415

約数の個数: 20

約数和(自身を含む): 44794926

約数和(自身を除く): 24803964

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 123401, 246802, 370203, 740406, 1110609, 2221218, 3331827, 6663654, 9995481, 19990962]

約数ペア:

[(1, 19990962), (2, 9995481), (3, 6663654), (6, 3331827), (9, 2221218), (18, 1110609), (27, 740406), (54, 370203), (81, 246802), (162, 123401)]