17989908

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 43352064

約数和(自身を除く): 25362156

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 167, 188, 191, 282, 334, 382, 501, 564, 573, 668, 764, 1002, 1146, 2004, 2292, 7849, 8977, 15698, 17954, 23547, 26931, 31396, 31897, 35908, 47094, 53862, 63794, 94188, 95691, 107724, 127588, 191382, 382764, 1499159, 2998318, 4497477, 5996636, 8994954, 17989908]

約数ペア:

[(1, 17989908), (2, 8994954), (3, 5996636), (4, 4497477), (6, 2998318), (12, 1499159), (47, 382764), (94, 191382), (141, 127588), (167, 107724), (188, 95691), (191, 94188), (282, 63794), (334, 53862), (382, 47094), (501, 35908), (564, 31897), (573, 31396), (668, 26931), (764, 23547), (1002, 17954), (1146, 15698), (2004, 8977), (2292, 7849)]