18827178752

素因数分解:

$2^8\times {\mathrm{157}}^1\times {\mathrm{353}}^1\times {\mathrm{1327}}^1$

素因数の和:1853

約数の個数: 72

約数和(自身を含む): 37955902656

約数和(自身を除く): 19128723904

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 353, 628, 706, 1256, 1327, 1412, 2512, 2654, 2824, 5024, 5308, 5648, 10048, 10616, 11296, 20096, 21232, 22592, 40192, 42464, 45184, 55421, 84928, 90368, 110842, 169856, 208339, 221684, 339712, 416678, 443368, 468431, 833356, 886736, 936862, 1666712, 1773472, 1873724, 3333424, 3546944, 3747448, 6666848, 7093888, 7494896, 13333696, 14187776, 14989792, 26667392, 29979584, 53334784, 59959168, 73543667, 119918336, 147087334, 294174668, 588349336, 1176698672, 2353397344, 4706794688, 9413589376, 18827178752]

約数ペア:

[(1, 18827178752), (2, 9413589376), (4, 4706794688), (8, 2353397344), (16, 1176698672), (32, 588349336), (64, 294174668), (128, 147087334), (157, 119918336), (256, 73543667), (314, 59959168), (353, 53334784), (628, 29979584), (706, 26667392), (1256, 14989792), (1327, 14187776), (1412, 13333696), (2512, 7494896), (2654, 7093888), (2824, 6666848), (5024, 3747448), (5308, 3546944), (5648, 3333424), (10048, 1873724), (10616, 1773472), (11296, 1666712), (20096, 936862), (21232, 886736), (22592, 833356), (40192, 468431), (42464, 443368), (45184, 416678), (55421, 339712), (84928, 221684), (90368, 208339), (110842, 169856)]