18815984

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{9719}}^1$

素因数の和:9749

約数の個数: 30

約数和(自身を含む): 40075560

約数和(自身を除く): 21259576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 9719, 19438, 38876, 77752, 106909, 155504, 213818, 427636, 855272, 1175999, 1710544, 2351998, 4703996, 9407992, 18815984]

約数ペア:

[(1, 18815984), (2, 9407992), (4, 4703996), (8, 2351998), (11, 1710544), (16, 1175999), (22, 855272), (44, 427636), (88, 213818), (121, 155504), (176, 106909), (242, 77752), (484, 38876), (968, 19438), (1936, 9719)]