19932780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47459}}^1$

素因数の和:47478

約数の個数: 48

約数和(自身を含む): 63786240

約数和(自身を除く): 43853460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47459, 94918, 142377, 189836, 237295, 284754, 332213, 474590, 569508, 664426, 711885, 949180, 996639, 1328852, 1423770, 1661065, 1993278, 2847540, 3322130, 3986556, 4983195, 6644260, 9966390, 19932780]

約数ペア:

[(1, 19932780), (2, 9966390), (3, 6644260), (4, 4983195), (5, 3986556), (6, 3322130), (7, 2847540), (10, 1993278), (12, 1661065), (14, 1423770), (15, 1328852), (20, 996639), (21, 949180), (28, 711885), (30, 664426), (35, 569508), (42, 474590), (60, 332213), (70, 284754), (84, 237295), (105, 189836), (140, 142377), (210, 94918), (420, 47459)]