19521516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{757}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 52295936

約数和(自身を除く): 32774420

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 307, 614, 757, 921, 1228, 1514, 1842, 2149, 2271, 3028, 3684, 4298, 4542, 5299, 6447, 8596, 9084, 10598, 12894, 15897, 21196, 25788, 31794, 63588, 232399, 464798, 697197, 929596, 1394394, 1626793, 2788788, 3253586, 4880379, 6507172, 9760758, 19521516]

約数ペア:

[(1, 19521516), (2, 9760758), (3, 6507172), (4, 4880379), (6, 3253586), (7, 2788788), (12, 1626793), (14, 1394394), (21, 929596), (28, 697197), (42, 464798), (84, 232399), (307, 63588), (614, 31794), (757, 25788), (921, 21196), (1228, 15897), (1514, 12894), (1842, 10598), (2149, 9084), (2271, 8596), (3028, 6447), (3684, 5299), (4298, 4542)]