18563985

素因数分解:

$3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1$

素因数の和:497

約数の個数: 56

約数和(自身を含む): 36514944

約数和(自身を除く): 17950959

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 463, 495, 729, 891, 1215, 1389, 1485, 2315, 2673, 3645, 4167, 4455, 5093, 6945, 8019, 12501, 13365, 15279, 20835, 25465, 37503, 40095, 45837, 62505, 76395, 112509, 137511, 187515, 229185, 337527, 412533, 562545, 687555, 1237599, 1687635, 2062665, 3712797, 6187995, 18563985]

約数ペア:

[(1, 18563985), (3, 6187995), (5, 3712797), (9, 2062665), (11, 1687635), (15, 1237599), (27, 687555), (33, 562545), (45, 412533), (55, 337527), (81, 229185), (99, 187515), (135, 137511), (165, 112509), (243, 76395), (297, 62505), (405, 45837), (463, 40095), (495, 37503), (729, 25465), (891, 20835), (1215, 15279), (1389, 13365), (1485, 12501), (2315, 8019), (2673, 6945), (3645, 5093), (4167, 4455)]