19901798

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83621}}^1$

素因数の和:83647

約数の個数: 16

約数和(自身を含む): 36124704

約数和(自身を除く): 16222906

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 83621, 167242, 585347, 1170694, 1421557, 2843114, 9950899, 19901798]

約数ペア:

[(1, 19901798), (2, 9950899), (7, 2843114), (14, 1421557), (17, 1170694), (34, 585347), (119, 167242), (238, 83621)]