18017439

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 27613440

約数和(自身を除く): 9596001

約数列:

[1, 3, 11, 29, 33, 67, 87, 201, 281, 319, 737, 843, 957, 1943, 2211, 3091, 5829, 8149, 9273, 18827, 21373, 24447, 56481, 64119, 89639, 207097, 268917, 545983, 621291, 1637949, 6005813, 18017439]

約数ペア:

[(1, 18017439), (3, 6005813), (11, 1637949), (29, 621291), (33, 545983), (67, 268917), (87, 207097), (201, 89639), (281, 64119), (319, 56481), (737, 24447), (843, 21373), (957, 18827), (1943, 9273), (2211, 8149), (3091, 5829)]