18218655

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1483}}^1$

素因数の和:1517

約数の個数: 64

約数和(自身を含む): 39889920

約数和(自身を除く): 21671265

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1483, 1755, 2457, 4095, 4449, 7415, 10381, 12285, 13347, 19279, 22245, 31143, 40041, 51905, 57837, 66735, 93429, 96395, 134953, 155715, 173511, 200205, 280287, 289185, 404859, 467145, 520533, 674765, 867555, 1214577, 1401435, 2024295, 2602665, 3643731, 6072885, 18218655]

約数ペア:

[(1, 18218655), (3, 6072885), (5, 3643731), (7, 2602665), (9, 2024295), (13, 1401435), (15, 1214577), (21, 867555), (27, 674765), (35, 520533), (39, 467145), (45, 404859), (63, 289185), (65, 280287), (91, 200205), (105, 173511), (117, 155715), (135, 134953), (189, 96395), (195, 93429), (273, 66735), (315, 57837), (351, 51905), (455, 40041), (585, 31143), (819, 22245), (945, 19279), (1365, 13347), (1483, 12285), (1755, 10381), (2457, 7415), (4095, 4449)]