18268785

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{929}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 34819200

約数和(自身を除く): 16550415

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 929, 1035, 1311, 2185, 2787, 3933, 4645, 6555, 8361, 13935, 17651, 19665, 21367, 41805, 52953, 64101, 88255, 106835, 158859, 192303, 264765, 320505, 405973, 794295, 961515, 1217919, 2029865, 3653757, 6089595, 18268785]

約数ペア:

[(1, 18268785), (3, 6089595), (5, 3653757), (9, 2029865), (15, 1217919), (19, 961515), (23, 794295), (45, 405973), (57, 320505), (69, 264765), (95, 192303), (115, 158859), (171, 106835), (207, 88255), (285, 64101), (345, 52953), (437, 41805), (855, 21367), (929, 19665), (1035, 17651), (1311, 13935), (2185, 8361), (2787, 6555), (3933, 4645)]