17641481

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 22471680

約数和(自身を除く): 4830199

約数列:

[1, 11, 13, 19, 43, 143, 151, 209, 247, 473, 559, 817, 1661, 1963, 2717, 2869, 6149, 6493, 8987, 10621, 21593, 31559, 37297, 71423, 84409, 116831, 123367, 410267, 928499, 1357037, 1603771, 17641481]

約数ペア:

[(1, 17641481), (11, 1603771), (13, 1357037), (19, 928499), (43, 410267), (143, 123367), (151, 116831), (209, 84409), (247, 71423), (473, 37297), (559, 31559), (817, 21593), (1661, 10621), (1963, 8987), (2717, 6493), (2869, 6149)]