19704140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51853}}^1$

素因数の和:51881

約数の個数: 24

約数和(自身を含む): 43557360

約数和(自身を除く): 23853220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51853, 103706, 207412, 259265, 518530, 985207, 1037060, 1970414, 3940828, 4926035, 9852070, 19704140]

約数ペア:

[(1, 19704140), (2, 9852070), (4, 4926035), (5, 3940828), (10, 1970414), (19, 1037060), (20, 985207), (38, 518530), (76, 259265), (95, 207412), (190, 103706), (380, 51853)]