19486518

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 20430282

約数列:

[1, 2, 3, 6, 71, 142, 149, 213, 298, 307, 426, 447, 614, 894, 921, 1842, 10579, 21158, 21797, 31737, 43594, 45743, 63474, 65391, 91486, 130782, 137229, 274458, 3247753, 6495506, 9743259, 19486518]

約数ペア:

[(1, 19486518), (2, 9743259), (3, 6495506), (6, 3247753), (71, 274458), (142, 137229), (149, 130782), (213, 91486), (298, 65391), (307, 63474), (426, 45743), (447, 43594), (614, 31737), (894, 21797), (921, 21158), (1842, 10579)]