19388144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39089}}^1$

素因数の和:39128

約数の個数: 20

約数和(自身を含む): 38777280

約数和(自身を除く): 19389136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39089, 78178, 156356, 312712, 625424, 1211759, 2423518, 4847036, 9694072, 19388144]

約数ペア:

[(1, 19388144), (2, 9694072), (4, 4847036), (8, 2423518), (16, 1211759), (31, 625424), (62, 312712), (124, 156356), (248, 78178), (496, 39089)]