19845704

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1861}}^1$

素因数の和:1941

約数の個数: 32

約数和(自身を含む): 39325440

約数和(自身を除く): 19479736

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 1861, 2666, 3722, 5332, 7444, 10664, 14888, 57691, 80023, 115382, 160046, 230764, 320092, 461528, 640184, 2480713, 4961426, 9922852, 19845704]

約数ペア:

[(1, 19845704), (2, 9922852), (4, 4961426), (8, 2480713), (31, 640184), (43, 461528), (62, 320092), (86, 230764), (124, 160046), (172, 115382), (248, 80023), (344, 57691), (1333, 14888), (1861, 10664), (2666, 7444), (3722, 5332)]