19808272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{467}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 42131232

約数和(自身を除く): 22322960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 241, 467, 482, 934, 964, 1868, 1928, 2651, 3736, 3856, 5137, 5302, 7472, 10274, 10604, 20548, 21208, 41096, 42416, 82192, 112547, 225094, 450188, 900376, 1238017, 1800752, 2476034, 4952068, 9904136, 19808272]

約数ペア:

[(1, 19808272), (2, 9904136), (4, 4952068), (8, 2476034), (11, 1800752), (16, 1238017), (22, 900376), (44, 450188), (88, 225094), (176, 112547), (241, 82192), (467, 42416), (482, 41096), (934, 21208), (964, 20548), (1868, 10604), (1928, 10274), (2651, 7472), (3736, 5302), (3856, 5137)]