17989530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 46932480

約数和(自身を除く): 28942950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 193, 195, 239, 386, 390, 478, 579, 717, 965, 1158, 1195, 1434, 1930, 2390, 2509, 2895, 3107, 3585, 5018, 5790, 6214, 7170, 7527, 9321, 12545, 15054, 15535, 18642, 25090, 31070, 37635, 46127, 46605, 75270, 92254, 93210, 138381, 230635, 276762, 461270, 599651, 691905, 1199302, 1383810, 1798953, 2998255, 3597906, 5996510, 8994765, 17989530]

約数ペア:

[(1, 17989530), (2, 8994765), (3, 5996510), (5, 3597906), (6, 2998255), (10, 1798953), (13, 1383810), (15, 1199302), (26, 691905), (30, 599651), (39, 461270), (65, 276762), (78, 230635), (130, 138381), (193, 93210), (195, 92254), (239, 75270), (386, 46605), (390, 46127), (478, 37635), (579, 31070), (717, 25090), (965, 18642), (1158, 15535), (1195, 15054), (1434, 12545), (1930, 9321), (2390, 7527), (2509, 7170), (2895, 6214), (3107, 5790), (3585, 5018)]