19520416

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{12979}}^1$

素因数の和:13036

約数の個数: 24

約数和(自身を含む): 39251520

約数和(自身を除く): 19731104

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 12979, 25958, 51916, 103832, 207664, 415328, 610013, 1220026, 2440052, 4880104, 9760208, 19520416]

約数ペア:

[(1, 19520416), (2, 9760208), (4, 4880104), (8, 2440052), (16, 1220026), (32, 610013), (47, 415328), (94, 207664), (188, 103832), (376, 51916), (752, 25958), (1504, 12979)]