19989453

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14087}}^1$

素因数の和:14144

約数の個数: 16

約数和(自身を含む): 29753856

約数和(自身を除く): 9764403

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14087, 42261, 154957, 464871, 605741, 1817223, 6663151, 19989453]

約数ペア:

[(1, 19989453), (3, 6663151), (11, 1817223), (33, 605741), (43, 464871), (129, 154957), (473, 42261), (1419, 14087)]