19638444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5437}}^1$

素因数の和:5494

約数の個数: 48

約数和(自身を含む): 53596928

約数和(自身を除く): 33958484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5437, 10874, 16311, 21748, 32622, 38059, 65244, 76118, 114177, 152236, 228354, 233791, 456708, 467582, 701373, 935164, 1402746, 1636537, 2805492, 3273074, 4909611, 6546148, 9819222, 19638444]

約数ペア:

[(1, 19638444), (2, 9819222), (3, 6546148), (4, 4909611), (6, 3273074), (7, 2805492), (12, 1636537), (14, 1402746), (21, 935164), (28, 701373), (42, 467582), (43, 456708), (84, 233791), (86, 228354), (129, 152236), (172, 114177), (258, 76118), (301, 65244), (516, 38059), (602, 32622), (903, 21748), (1204, 16311), (1806, 10874), (3612, 5437)]