19369760

素因数分解:

$2^5\times 5^1\times {\mathrm{121061}}^1$

素因数の和:121076

約数の個数: 24

約数和(自身を含む): 45761436

約数和(自身を除く): 26391676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121061, 242122, 484244, 605305, 968488, 1210610, 1936976, 2421220, 3873952, 4842440, 9684880, 19369760]

約数ペア:

[(1, 19369760), (2, 9684880), (4, 4842440), (5, 3873952), (8, 2421220), (10, 1936976), (16, 1210610), (20, 968488), (32, 605305), (40, 484244), (80, 242122), (160, 121061)]