19187366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{3911}}^1$

素因数の和:4147

約数の個数: 16

約数和(自身を含む): 31546368

約数和(自身を除く): 12359002

約数列:

[1, 2, 11, 22, 223, 446, 2453, 3911, 4906, 7822, 43021, 86042, 872153, 1744306, 9593683, 19187366]

約数ペア:

[(1, 19187366), (2, 9593683), (11, 1744306), (22, 872153), (223, 86042), (446, 43021), (2453, 7822), (3911, 4906)]