18061395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 34338816

約数和(自身を除く): 16277421

約数列:

[1, 3, 5, 11, 15, 17, 33, 47, 51, 55, 85, 137, 141, 165, 187, 235, 255, 411, 517, 561, 685, 705, 799, 935, 1507, 1551, 2055, 2329, 2397, 2585, 2805, 3995, 4521, 6439, 6987, 7535, 7755, 8789, 11645, 11985, 19317, 22605, 25619, 26367, 32195, 34935, 43945, 70829, 76857, 96585, 109463, 128095, 131835, 212487, 328389, 354145, 384285, 547315, 1062435, 1204093, 1641945, 3612279, 6020465, 18061395]

約数ペア:

[(1, 18061395), (3, 6020465), (5, 3612279), (11, 1641945), (15, 1204093), (17, 1062435), (33, 547315), (47, 384285), (51, 354145), (55, 328389), (85, 212487), (137, 131835), (141, 128095), (165, 109463), (187, 96585), (235, 76857), (255, 70829), (411, 43945), (517, 34935), (561, 32195), (685, 26367), (705, 25619), (799, 22605), (935, 19317), (1507, 11985), (1551, 11645), (2055, 8789), (2329, 7755), (2397, 7535), (2585, 6987), (2805, 6439), (3995, 4521)]