18281328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29297}}^1$

素因数の和:29321

約数の個数: 40

約数和(自身を含む): 50861328

約数和(自身を除く): 32580000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 29297, 58594, 87891, 117188, 175782, 234376, 351564, 380861, 468752, 703128, 761722, 1142583, 1406256, 1523444, 2285166, 3046888, 4570332, 6093776, 9140664, 18281328]

約数ペア:

[(1, 18281328), (2, 9140664), (3, 6093776), (4, 4570332), (6, 3046888), (8, 2285166), (12, 1523444), (13, 1406256), (16, 1142583), (24, 761722), (26, 703128), (39, 468752), (48, 380861), (52, 351564), (78, 234376), (104, 175782), (156, 117188), (208, 87891), (312, 58594), (624, 29297)]