18142450

素因数分解:

$2^1\times 5^2\times {\mathrm{491}}^1\times {\mathrm{739}}^1$

素因数の和:1242

約数の個数: 24

約数和(自身を含む): 33859440

約数和(自身を除く): 15716990

約数列:

[1, 2, 5, 10, 25, 50, 491, 739, 982, 1478, 2455, 3695, 4910, 7390, 12275, 18475, 24550, 36950, 362849, 725698, 1814245, 3628490, 9071225, 18142450]

約数ペア:

[(1, 18142450), (2, 9071225), (5, 3628490), (10, 1814245), (25, 725698), (50, 362849), (491, 36950), (739, 24550), (982, 18475), (1478, 12275), (2455, 7390), (3695, 4910)]