81918842

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{1367}}^1$

素因数の和:1490

約数の個数: 24

約数和(自身を含む): 131344416

約数和(自身を除く): 49425574

約数列:

[1, 2, 19, 38, 83, 166, 361, 722, 1367, 1577, 2734, 3154, 25973, 29963, 51946, 59926, 113461, 226922, 493487, 986974, 2155759, 4311518, 40959421, 81918842]

約数ペア:

[(1, 81918842), (2, 40959421), (19, 4311518), (38, 2155759), (83, 986974), (166, 493487), (361, 226922), (722, 113461), (1367, 59926), (1577, 51946), (2734, 29963), (3154, 25973)]