18839216

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:330

約数の個数: 60

約数和(自身を含む): 41361936

約数和(自身を除く): 22522720

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 121, 148, 176, 242, 263, 296, 407, 484, 526, 592, 814, 968, 1052, 1628, 1936, 2104, 2893, 3256, 4208, 4477, 5786, 6512, 8954, 9731, 11572, 17908, 19462, 23144, 31823, 35816, 38924, 46288, 63646, 71632, 77848, 107041, 127292, 155696, 214082, 254584, 428164, 509168, 856328, 1177451, 1712656, 2354902, 4709804, 9419608, 18839216]

約数ペア:

[(1, 18839216), (2, 9419608), (4, 4709804), (8, 2354902), (11, 1712656), (16, 1177451), (22, 856328), (37, 509168), (44, 428164), (74, 254584), (88, 214082), (121, 155696), (148, 127292), (176, 107041), (242, 77848), (263, 71632), (296, 63646), (407, 46288), (484, 38924), (526, 35816), (592, 31823), (814, 23144), (968, 19462), (1052, 17908), (1628, 11572), (1936, 9731), (2104, 8954), (2893, 6512), (3256, 5786), (4208, 4477)]