19826464

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1529

約数の個数: 48

約数和(自身を含む): 45372096

約数和(自身を除く): 25545632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1451, 1708, 1952, 2902, 3416, 5804, 6832, 10157, 11608, 13664, 20314, 23216, 40628, 46432, 81256, 88511, 162512, 177022, 325024, 354044, 619577, 708088, 1239154, 1416176, 2478308, 2832352, 4956616, 9913232, 19826464]

約数ペア:

[(1, 19826464), (2, 9913232), (4, 4956616), (7, 2832352), (8, 2478308), (14, 1416176), (16, 1239154), (28, 708088), (32, 619577), (56, 354044), (61, 325024), (112, 177022), (122, 162512), (224, 88511), (244, 81256), (427, 46432), (488, 40628), (854, 23216), (976, 20314), (1451, 13664), (1708, 11608), (1952, 10157), (2902, 6832), (3416, 5804)]