19066905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2998

約数の個数: 48

約数和(自身を含む): 38840256

約数和(自身を除く): 19773351

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 2963, 6435, 8889, 14815, 26667, 32593, 38519, 44445, 97779, 115557, 133335, 162965, 192595, 293337, 346671, 423709, 488895, 577785, 1271127, 1466685, 1733355, 2118545, 3813381, 6355635, 19066905]

約数ペア:

[(1, 19066905), (3, 6355635), (5, 3813381), (9, 2118545), (11, 1733355), (13, 1466685), (15, 1271127), (33, 577785), (39, 488895), (45, 423709), (55, 346671), (65, 293337), (99, 192595), (117, 162965), (143, 133335), (165, 115557), (195, 97779), (429, 44445), (495, 38519), (585, 32593), (715, 26667), (1287, 14815), (2145, 8889), (2963, 6435)]