19471953

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 28371712

約数和(自身を除く): 8899759

約数列:

[1, 3, 17, 37, 51, 111, 289, 607, 629, 867, 1821, 1887, 10319, 10693, 22459, 30957, 32079, 67377, 175423, 381803, 526269, 1145409, 6490651, 19471953]

約数ペア:

[(1, 19471953), (3, 6490651), (17, 1145409), (37, 526269), (51, 381803), (111, 175423), (289, 67377), (607, 32079), (629, 30957), (867, 22459), (1821, 10693), (1887, 10319)]