18902192

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 40

約数和(自身を含む): 37778832

約数和(自身を除く): 18876640

約数列:

[1, 2, 4, 8, 16, 61, 107, 122, 181, 214, 244, 362, 428, 488, 724, 856, 976, 1448, 1712, 2896, 6527, 11041, 13054, 19367, 22082, 26108, 38734, 44164, 52216, 77468, 88328, 104432, 154936, 176656, 309872, 1181387, 2362774, 4725548, 9451096, 18902192]

約数ペア:

[(1, 18902192), (2, 9451096), (4, 4725548), (8, 2362774), (16, 1181387), (61, 309872), (107, 176656), (122, 154936), (181, 104432), (214, 88328), (244, 77468), (362, 52216), (428, 44164), (488, 38734), (724, 26108), (856, 22082), (976, 19367), (1448, 13054), (1712, 11041), (2896, 6527)]