19747364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54251}}^1$

素因数の和:54275

約数の個数: 24

約数和(自身を含む): 42533568

約数和(自身を除く): 22786204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54251, 108502, 217004, 379757, 705263, 759514, 1410526, 1519028, 2821052, 4936841, 9873682, 19747364]

約数ペア:

[(1, 19747364), (2, 9873682), (4, 4936841), (7, 2821052), (13, 1519028), (14, 1410526), (26, 759514), (28, 705263), (52, 379757), (91, 217004), (182, 108502), (364, 54251)]