19388368

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{5743}}^1$

素因数の和:5962

約数の個数: 20

約数和(自身を含む): 37749568

約数和(自身を除く): 18361200

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 5743, 11486, 22972, 45944, 91888, 1211773, 2423546, 4847092, 9694184, 19388368]

約数ペア:

[(1, 19388368), (2, 9694184), (4, 4847092), (8, 2423546), (16, 1211773), (211, 91888), (422, 45944), (844, 22972), (1688, 11486), (3376, 5743)]