18707104

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 40039272

約数和(自身を除く): 21332168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 193, 208, 233, 386, 416, 466, 772, 932, 1544, 1864, 2509, 3029, 3088, 3728, 5018, 6058, 6176, 7456, 10036, 12116, 20072, 24232, 40144, 44969, 48464, 80288, 89938, 96928, 179876, 359752, 584597, 719504, 1169194, 1439008, 2338388, 4676776, 9353552, 18707104]

約数ペア:

[(1, 18707104), (2, 9353552), (4, 4676776), (8, 2338388), (13, 1439008), (16, 1169194), (26, 719504), (32, 584597), (52, 359752), (104, 179876), (193, 96928), (208, 89938), (233, 80288), (386, 48464), (416, 44969), (466, 40144), (772, 24232), (932, 20072), (1544, 12116), (1864, 10036), (2509, 7456), (3029, 6176), (3088, 6058), (3728, 5018)]