19685740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24007}}^1$

素因数の和:24057

約数の個数: 24

約数和(自身を含む): 42350112

約数和(自身を除く): 22664372

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24007, 48014, 96028, 120035, 240070, 480140, 984287, 1968574, 3937148, 4921435, 9842870, 19685740]

約数ペア:

[(1, 19685740), (2, 9842870), (4, 4921435), (5, 3937148), (10, 1968574), (20, 984287), (41, 480140), (82, 240070), (164, 120035), (205, 96028), (410, 48014), (820, 24007)]