19601686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5503}}^1$

素因数の和:5655

約数の個数: 16

約数和(自身を含む): 31901184

約数和(自身を除く): 12299498

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5503, 11006, 71539, 143078, 753911, 1507822, 9800843, 19601686]

約数ペア:

[(1, 19601686), (2, 9800843), (13, 1507822), (26, 753911), (137, 143078), (274, 71539), (1781, 11006), (3562, 5503)]