19197790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 36864000

約数和(自身を除く): 17666210

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1279, 1501, 2558, 3002, 6395, 7505, 12790, 15010, 24301, 48602, 101041, 121505, 202082, 243010, 505205, 1010410, 1919779, 3839558, 9598895, 19197790]

約数ペア:

[(1, 19197790), (2, 9598895), (5, 3839558), (10, 1919779), (19, 1010410), (38, 505205), (79, 243010), (95, 202082), (158, 121505), (190, 101041), (395, 48602), (790, 24301), (1279, 15010), (1501, 12790), (2558, 7505), (3002, 6395)]