18564273

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 34769280

約数和(自身を除く): 16205007

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1193, 1197, 1729, 2223, 3579, 5187, 8351, 10737, 15509, 15561, 22667, 25053, 46527, 68001, 75159, 108563, 139581, 158669, 204003, 294671, 325689, 476007, 884013, 977067, 1428021, 2062697, 2652039, 6188091, 18564273]

約数ペア:

[(1, 18564273), (3, 6188091), (7, 2652039), (9, 2062697), (13, 1428021), (19, 977067), (21, 884013), (39, 476007), (57, 325689), (63, 294671), (91, 204003), (117, 158669), (133, 139581), (171, 108563), (247, 75159), (273, 68001), (399, 46527), (741, 25053), (819, 22667), (1193, 15561), (1197, 15509), (1729, 10737), (2223, 8351), (3579, 5187)]