19965069

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10678131

約数列:

[1, 3, 9, 27, 59, 83, 151, 177, 249, 453, 531, 747, 1359, 1593, 2241, 4077, 4897, 8909, 12533, 14691, 26727, 37599, 44073, 80181, 112797, 132219, 240543, 338391, 739447, 2218341, 6655023, 19965069]

約数ペア:

[(1, 19965069), (3, 6655023), (9, 2218341), (27, 739447), (59, 338391), (83, 240543), (151, 132219), (177, 112797), (249, 80181), (453, 44073), (531, 37599), (747, 26727), (1359, 14691), (1593, 12533), (2241, 8909), (4077, 4897)]