18095805

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 40005504

約数和(自身を除く): 21909699

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 273, 315, 351, 405, 455, 491, 567, 585, 819, 945, 1053, 1365, 1473, 1755, 2455, 2457, 2835, 3437, 4095, 4419, 5265, 6383, 7365, 7371, 10311, 12285, 13257, 17185, 19149, 22095, 30933, 31915, 36855, 39771, 44681, 51555, 57447, 66285, 92799, 95745, 134043, 154665, 172341, 198855, 223405, 278397, 287235, 402129, 463995, 517023, 670215, 861705, 1206387, 1391985, 2010645, 2585115, 3619161, 6031935, 18095805]

約数ペア:

[(1, 18095805), (3, 6031935), (5, 3619161), (7, 2585115), (9, 2010645), (13, 1391985), (15, 1206387), (21, 861705), (27, 670215), (35, 517023), (39, 463995), (45, 402129), (63, 287235), (65, 278397), (81, 223405), (91, 198855), (105, 172341), (117, 154665), (135, 134043), (189, 95745), (195, 92799), (273, 66285), (315, 57447), (351, 51555), (405, 44681), (455, 39771), (491, 36855), (567, 31915), (585, 30933), (819, 22095), (945, 19149), (1053, 17185), (1365, 13257), (1473, 12285), (1755, 10311), (2455, 7371), (2457, 7365), (2835, 6383), (3437, 5265), (4095, 4419)]