195122020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{513479}}^1$

素因数の和:513507

約数の個数: 24

約数和(自身を含む): 431323200

約数和(自身を除く): 236201180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 513479, 1026958, 2053916, 2567395, 5134790, 9756101, 10269580, 19512202, 39024404, 48780505, 97561010, 195122020]

約数ペア:

[(1, 195122020), (2, 97561010), (4, 48780505), (5, 39024404), (10, 19512202), (19, 10269580), (20, 9756101), (38, 5134790), (76, 2567395), (95, 2053916), (190, 1026958), (380, 513479)]