81944188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{1993}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 151304720

約数和(自身を除く): 69360532

約数列:

[1, 2, 4, 19, 38, 76, 541, 1082, 1993, 2164, 3986, 7972, 10279, 20558, 37867, 41116, 75734, 151468, 1078213, 2156426, 4312852, 20486047, 40972094, 81944188]

約数ペア:

[(1, 81944188), (2, 40972094), (4, 20486047), (19, 4312852), (38, 2156426), (76, 1078213), (541, 151468), (1082, 75734), (1993, 41116), (2164, 37867), (3986, 20558), (7972, 10279)]