18826544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2609}}^1$

素因数の和:2669

約数の個数: 40

約数和(自身を含む): 40778640

約数和(自身を除く): 21952096

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2609, 3608, 5218, 7216, 10436, 20872, 28699, 41744, 57398, 106969, 114796, 213938, 229592, 427876, 459184, 855752, 1176659, 1711504, 2353318, 4706636, 9413272, 18826544]

約数ペア:

[(1, 18826544), (2, 9413272), (4, 4706636), (8, 2353318), (11, 1711504), (16, 1176659), (22, 855752), (41, 459184), (44, 427876), (82, 229592), (88, 213938), (164, 114796), (176, 106969), (328, 57398), (451, 41744), (656, 28699), (902, 20872), (1804, 10436), (2609, 7216), (3608, 5218)]