19732724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5039}}^1$

素因数の和:5143

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 18369676

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5039, 10078, 20156, 55429, 110858, 221716, 448471, 896942, 1793884, 4933181, 9866362, 19732724]

約数ペア:

[(1, 19732724), (2, 9866362), (4, 4933181), (11, 1793884), (22, 896942), (44, 448471), (89, 221716), (178, 110858), (356, 55429), (979, 20156), (1958, 10078), (3916, 5039)]