19157536

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 39160800

約数和(自身を除く): 20003264

約数列:

[1, 2, 4, 8, 16, 32, 59, 73, 118, 139, 146, 236, 278, 292, 472, 556, 584, 944, 1112, 1168, 1888, 2224, 2336, 4307, 4448, 8201, 8614, 10147, 16402, 17228, 20294, 32804, 34456, 40588, 65608, 68912, 81176, 131216, 137824, 162352, 262432, 324704, 598673, 1197346, 2394692, 4789384, 9578768, 19157536]

約数ペア:

[(1, 19157536), (2, 9578768), (4, 4789384), (8, 2394692), (16, 1197346), (32, 598673), (59, 324704), (73, 262432), (118, 162352), (139, 137824), (146, 131216), (236, 81176), (278, 68912), (292, 65608), (472, 40588), (556, 34456), (584, 32804), (944, 20294), (1112, 17228), (1168, 16402), (1888, 10147), (2224, 8614), (2336, 8201), (4307, 4448)]