18977137144

素因数分解:

$2^3\times 7^1\times {\mathrm{338877449}}^1$

素因数の和:338877462

約数の個数: 16

約数和(自身を含む): 40665294000

約数和(自身を除く): 21688156856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 338877449, 677754898, 1355509796, 2372142143, 2711019592, 4744284286, 9488568572, 18977137144]

約数ペア:

[(1, 18977137144), (2, 9488568572), (4, 4744284286), (7, 2711019592), (8, 2372142143), (14, 1355509796), (28, 677754898), (56, 338877449)]