18642498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{443869}}^1$

素因数の和:443881

約数の個数: 16

約数和(自身を含む): 42611520

約数和(自身を除く): 23969022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 443869, 887738, 1331607, 2663214, 3107083, 6214166, 9321249, 18642498]

約数ペア:

[(1, 18642498), (2, 9321249), (3, 6214166), (6, 3107083), (7, 2663214), (14, 1331607), (21, 887738), (42, 443869)]