19563918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{643}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 42844032

約数和(自身を除く): 23280114

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 461, 643, 922, 1286, 1383, 1929, 2766, 3858, 5071, 7073, 10142, 14146, 15213, 21219, 30426, 42438, 296423, 592846, 889269, 1778538, 3260653, 6521306, 9781959, 19563918]

約数ペア:

[(1, 19563918), (2, 9781959), (3, 6521306), (6, 3260653), (11, 1778538), (22, 889269), (33, 592846), (66, 296423), (461, 42438), (643, 30426), (922, 21219), (1286, 15213), (1383, 14146), (1929, 10142), (2766, 7073), (3858, 5071)]