18997510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271393}}^1$

素因数の和:271407

約数の個数: 16

約数和(自身を含む): 39080736

約数和(自身を除く): 20083226

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271393, 542786, 1356965, 1899751, 2713930, 3799502, 9498755, 18997510]

約数ペア:

[(1, 18997510), (2, 9498755), (5, 3799502), (7, 2713930), (10, 1899751), (14, 1356965), (35, 542786), (70, 271393)]