17818969

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1416

約数の個数: 16

約数和(自身を含む): 21321216

約数和(自身を除く): 3502247

約数列:

[1, 7, 41, 47, 287, 329, 1321, 1927, 9247, 13489, 54161, 62087, 379127, 434609, 2545567, 17818969]

約数ペア:

[(1, 17818969), (7, 2545567), (41, 434609), (47, 379127), (287, 62087), (329, 54161), (1321, 13489), (1927, 9247)]