18809219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4243}}^1$

素因数の和:4298

約数の個数: 16

約数和(自身を含む): 22815744

約数和(自身を除く): 4006525

約数列:

[1, 11, 13, 31, 143, 341, 403, 4243, 4433, 46673, 55159, 131533, 606749, 1446863, 1709929, 18809219]

約数ペア:

[(1, 18809219), (11, 1709929), (13, 1446863), (31, 606749), (143, 131533), (341, 55159), (403, 46673), (4243, 4433)]