1890215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 16

約数和(自身を含む): 2423520

約数和(自身を除く): 533305

約数列:

[1, 5, 19, 95, 101, 197, 505, 985, 1919, 3743, 9595, 18715, 19897, 99485, 378043, 1890215]

約数ペア:

[(1, 1890215), (5, 378043), (19, 99485), (95, 19897), (101, 18715), (197, 9595), (505, 3743), (985, 1919)]