18963784

素因数分解:

$2^3\times 7^3\times {\mathrm{6911}}^1$

素因数の和:6938

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 22508216

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 6911, 13822, 27644, 48377, 55288, 96754, 193508, 338639, 387016, 677278, 1354556, 2370473, 2709112, 4740946, 9481892, 18963784]

約数ペア:

[(1, 18963784), (2, 9481892), (4, 4740946), (7, 2709112), (8, 2370473), (14, 1354556), (28, 677278), (49, 387016), (56, 338639), (98, 193508), (196, 96754), (343, 55288), (392, 48377), (686, 27644), (1372, 13822), (2744, 6911)]