19927370

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6491}}^1$

素因数の和:6805

約数の個数: 16

約数和(自身を含む): 35991648

約数和(自身を除く): 16064278

約数列:

[1, 2, 5, 10, 307, 614, 1535, 3070, 6491, 12982, 32455, 64910, 1992737, 3985474, 9963685, 19927370]

約数ペア:

[(1, 19927370), (2, 9963685), (5, 3985474), (10, 1992737), (307, 64910), (614, 32455), (1535, 12982), (3070, 6491)]