2019747328

素因数分解:

$2^9\times {\mathrm{109}}^1\times {\mathrm{36191}}^1$

素因数の和:36318

約数の個数: 40

約数和(自身を含む): 4072685760

約数和(自身を除く): 2052938432

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 436, 512, 872, 1744, 3488, 6976, 13952, 27904, 36191, 55808, 72382, 144764, 289528, 579056, 1158112, 2316224, 3944819, 4632448, 7889638, 9264896, 15779276, 18529792, 31558552, 63117104, 126234208, 252468416, 504936832, 1009873664, 2019747328]

約数ペア:

[(1, 2019747328), (2, 1009873664), (4, 504936832), (8, 252468416), (16, 126234208), (32, 63117104), (64, 31558552), (109, 18529792), (128, 15779276), (218, 9264896), (256, 7889638), (436, 4632448), (512, 3944819), (872, 2316224), (1744, 1158112), (3488, 579056), (6976, 289528), (13952, 144764), (27904, 72382), (36191, 55808)]