19885306

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 35038080

約数和(自身を除く): 15152774

約数列:

[1, 2, 7, 14, 83, 109, 157, 166, 218, 314, 581, 763, 1099, 1162, 1526, 2198, 9047, 13031, 17113, 18094, 26062, 34226, 63329, 91217, 119791, 126658, 182434, 239582, 1420379, 2840758, 9942653, 19885306]

約数ペア:

[(1, 19885306), (2, 9942653), (7, 2840758), (14, 1420379), (83, 239582), (109, 182434), (157, 126658), (166, 119791), (218, 91217), (314, 63329), (581, 34226), (763, 26062), (1099, 18094), (1162, 17113), (1526, 13031), (2198, 9047)]