19653994

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:905

約数の個数: 16

約数和(自身を含む): 30018600

約数和(自身を除く): 10364606

約数列:

[1, 2, 101, 149, 202, 298, 653, 1306, 15049, 30098, 65953, 97297, 131906, 194594, 9826997, 19653994]

約数ペア:

[(1, 19653994), (2, 9826997), (101, 194594), (149, 131906), (202, 97297), (298, 65953), (653, 30098), (1306, 15049)]