18868672

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 56

約数和(自身を含む): 40233600

約数和(自身を除く): 21364928

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 152, 236, 263, 304, 472, 526, 608, 944, 1052, 1121, 1216, 1888, 2104, 2242, 3776, 4208, 4484, 4997, 8416, 8968, 9994, 15517, 16832, 17936, 19988, 31034, 35872, 39976, 62068, 71744, 79952, 124136, 159904, 248272, 294823, 319808, 496544, 589646, 993088, 1179292, 2358584, 4717168, 9434336, 18868672]

約数ペア:

[(1, 18868672), (2, 9434336), (4, 4717168), (8, 2358584), (16, 1179292), (19, 993088), (32, 589646), (38, 496544), (59, 319808), (64, 294823), (76, 248272), (118, 159904), (152, 124136), (236, 79952), (263, 71744), (304, 62068), (472, 39976), (526, 35872), (608, 31034), (944, 19988), (1052, 17936), (1121, 16832), (1216, 15517), (1888, 9994), (2104, 8968), (2242, 8416), (3776, 4997), (4208, 4484)]