18712656

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{4481}}^1$

素因数の和:4524

約数の個数: 60

約数和(自身を含む): 54187380

約数和(自身を除く): 35474724

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 4481, 8962, 13443, 17924, 26886, 35848, 40329, 53772, 71696, 80658, 107544, 129949, 161316, 215088, 259898, 322632, 389847, 519796, 645264, 779694, 1039592, 1169541, 1559388, 2079184, 2339082, 3118776, 4678164, 6237552, 9356328, 18712656]

約数ペア:

[(1, 18712656), (2, 9356328), (3, 6237552), (4, 4678164), (6, 3118776), (8, 2339082), (9, 2079184), (12, 1559388), (16, 1169541), (18, 1039592), (24, 779694), (29, 645264), (36, 519796), (48, 389847), (58, 322632), (72, 259898), (87, 215088), (116, 161316), (144, 129949), (174, 107544), (232, 80658), (261, 71696), (348, 53772), (464, 40329), (522, 35848), (696, 26886), (1044, 17924), (1392, 13443), (2088, 8962), (4176, 4481)]