18583216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61129}}^1$

素因数の和:61156

約数の個数: 20

約数和(自身を含む): 37900600

約数和(自身を除く): 19317384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61129, 122258, 244516, 489032, 978064, 1161451, 2322902, 4645804, 9291608, 18583216]

約数ペア:

[(1, 18583216), (2, 9291608), (4, 4645804), (8, 2322902), (16, 1161451), (19, 978064), (38, 489032), (76, 244516), (152, 122258), (304, 61129)]