19974814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4139}}^1$

素因数の和:4287

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 11820386

約数列:

[1, 2, 19, 38, 127, 254, 2413, 4139, 4826, 8278, 78641, 157282, 525653, 1051306, 9987407, 19974814]

約数ペア:

[(1, 19974814), (2, 9987407), (19, 1051306), (38, 525653), (127, 157282), (254, 78641), (2413, 8278), (4139, 4826)]