18378448

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{863}}^1$

素因数の和:904

約数の個数: 40

約数和(自身を含む): 39211776

約数和(自身を除く): 20833328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 863, 968, 1331, 1726, 1936, 2662, 3452, 5324, 6904, 9493, 10648, 13808, 18986, 21296, 37972, 75944, 104423, 151888, 208846, 417692, 835384, 1148653, 1670768, 2297306, 4594612, 9189224, 18378448]

約数ペア:

[(1, 18378448), (2, 9189224), (4, 4594612), (8, 2297306), (11, 1670768), (16, 1148653), (22, 835384), (44, 417692), (88, 208846), (121, 151888), (176, 104423), (242, 75944), (484, 37972), (863, 21296), (968, 18986), (1331, 13808), (1726, 10648), (1936, 9493), (2662, 6904), (3452, 5324)]