17991694

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 14402546

約数列:

[1, 2, 7, 14, 37, 47, 74, 94, 259, 329, 518, 658, 739, 1478, 1739, 3478, 5173, 10346, 12173, 24346, 27343, 34733, 54686, 69466, 191401, 243131, 382802, 486262, 1285121, 2570242, 8995847, 17991694]

約数ペア:

[(1, 17991694), (2, 8995847), (7, 2570242), (14, 1285121), (37, 486262), (47, 382802), (74, 243131), (94, 191401), (259, 69466), (329, 54686), (518, 34733), (658, 27343), (739, 24346), (1478, 12173), (1739, 10346), (3478, 5173)]