19420136

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{78307}}^1$

素因数の和:78344

約数の個数: 16

約数和(自身を含む): 37587840

約数和(自身を除く): 18167704

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 78307, 156614, 313228, 626456, 2427517, 4855034, 9710068, 19420136]

約数ペア:

[(1, 19420136), (2, 9710068), (4, 4855034), (8, 2427517), (31, 626456), (62, 313228), (124, 156614), (248, 78307)]