19952702

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18657730

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 83, 98, 154, 166, 223, 446, 539, 581, 913, 1078, 1162, 1561, 1826, 2453, 3122, 4067, 4906, 6391, 8134, 10927, 12782, 17171, 18509, 21854, 34342, 37018, 44737, 89474, 120197, 129563, 203599, 240394, 259126, 407198, 906941, 1425193, 1813882, 2850386, 9976351, 19952702]

約数ペア:

[(1, 19952702), (2, 9976351), (7, 2850386), (11, 1813882), (14, 1425193), (22, 906941), (49, 407198), (77, 259126), (83, 240394), (98, 203599), (154, 129563), (166, 120197), (223, 89474), (446, 44737), (539, 37018), (581, 34342), (913, 21854), (1078, 18509), (1162, 17171), (1561, 12782), (1826, 10927), (2453, 8134), (3122, 6391), (4067, 4906)]