19485640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25639}}^1$

素因数の和:25669

約数の個数: 32

約数和(自身を含む): 46152000

約数和(自身を除く): 26666360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25639, 51278, 102556, 128195, 205112, 256390, 487141, 512780, 974282, 1025560, 1948564, 2435705, 3897128, 4871410, 9742820, 19485640]

約数ペア:

[(1, 19485640), (2, 9742820), (4, 4871410), (5, 3897128), (8, 2435705), (10, 1948564), (19, 1025560), (20, 974282), (38, 512780), (40, 487141), (76, 256390), (95, 205112), (152, 128195), (190, 102556), (380, 51278), (760, 25639)]