8418140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22153}}^1$

素因数の和:22181

約数の個数: 24

約数和(自身を含む): 18609360

約数和(自身を除く): 10191220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 22153, 44306, 88612, 110765, 221530, 420907, 443060, 841814, 1683628, 2104535, 4209070, 8418140]

約数ペア:

[(1, 8418140), (2, 4209070), (4, 2104535), (5, 1683628), (10, 841814), (19, 443060), (20, 420907), (38, 221530), (76, 110765), (95, 88612), (190, 44306), (380, 22153)]