18268994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 30170880

約数和(自身を除く): 11901886

約数列:

[1, 2, 19, 38, 47, 53, 94, 106, 193, 386, 893, 1007, 1786, 2014, 2491, 3667, 4982, 7334, 9071, 10229, 18142, 20458, 47329, 94658, 172349, 194351, 344698, 388702, 480763, 961526, 9134497, 18268994]

約数ペア:

[(1, 18268994), (2, 9134497), (19, 961526), (38, 480763), (47, 388702), (53, 344698), (94, 194351), (106, 172349), (193, 94658), (386, 47329), (893, 20458), (1007, 18142), (1786, 10229), (2014, 9071), (2491, 7334), (3667, 4982)]