19612307

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 5063533

約数列:

[1, 11, 13, 23, 67, 89, 143, 253, 299, 737, 871, 979, 1157, 1541, 2047, 3289, 5963, 9581, 12727, 16951, 20033, 22517, 26611, 65593, 77519, 137149, 220363, 292721, 852709, 1508639, 1782937, 19612307]

約数ペア:

[(1, 19612307), (11, 1782937), (13, 1508639), (23, 852709), (67, 292721), (89, 220363), (143, 137149), (253, 77519), (299, 65593), (737, 26611), (871, 22517), (979, 20033), (1157, 16951), (1541, 12727), (2047, 9581), (3289, 5963)]