18790986

素因数分解:

$2^1\times 3^1\times {\mathrm{149}}^1\times {\mathrm{21019}}^1$

素因数の和:21173

約数の個数: 16

約数和(自身を含む): 37836000

約数和(自身を除く): 19045014

約数列:

[1, 2, 3, 6, 149, 298, 447, 894, 21019, 42038, 63057, 126114, 3131831, 6263662, 9395493, 18790986]

約数ペア:

[(1, 18790986), (2, 9395493), (3, 6263662), (6, 3131831), (149, 126114), (298, 63057), (447, 42038), (894, 21019)]