18728402

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3923}}^1$

素因数の和:3974

約数の個数: 32

約数和(自身を含む): 36163584

約数和(自身を除く): 17435182

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 3923, 4774, 7846, 27461, 43153, 54922, 86306, 121613, 243226, 302071, 604142, 851291, 1337743, 1702582, 2675486, 9364201, 18728402]

約数ペア:

[(1, 18728402), (2, 9364201), (7, 2675486), (11, 1702582), (14, 1337743), (22, 851291), (31, 604142), (62, 302071), (77, 243226), (154, 121613), (217, 86306), (341, 54922), (434, 43153), (682, 27461), (2387, 7846), (3923, 4774)]