18772743

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 10499577

約数列:

[1, 3, 11, 17, 33, 51, 109, 187, 307, 327, 561, 921, 1199, 1853, 3377, 3597, 5219, 5559, 10131, 15657, 20383, 33463, 57409, 61149, 100389, 172227, 368093, 568871, 1104279, 1706613, 6257581, 18772743]

約数ペア:

[(1, 18772743), (3, 6257581), (11, 1706613), (17, 1104279), (33, 568871), (51, 368093), (109, 172227), (187, 100389), (307, 61149), (327, 57409), (561, 33463), (921, 20383), (1199, 15657), (1853, 10131), (3377, 5559), (3597, 5219)]