18971816

素因数分解:

$2^3\times {\mathrm{317}}^1\times {\mathrm{7481}}^1$

素因数の和:7804

約数の個数: 16

約数和(自身を含む): 35689140

約数和(自身を除く): 16717324

約数列:

[1, 2, 4, 8, 317, 634, 1268, 2536, 7481, 14962, 29924, 59848, 2371477, 4742954, 9485908, 18971816]

約数ペア:

[(1, 18971816), (2, 9485908), (4, 4742954), (8, 2371477), (317, 59848), (634, 29924), (1268, 14962), (2536, 7481)]