19154564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{33487}}^1$

素因数の和:33515

約数の個数: 24

約数和(自身を含む): 39381888

約数和(自身を除く): 20227324

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 33487, 66974, 133948, 368357, 435331, 736714, 870662, 1473428, 1741324, 4788641, 9577282, 19154564]

約数ペア:

[(1, 19154564), (2, 9577282), (4, 4788641), (11, 1741324), (13, 1473428), (22, 870662), (26, 736714), (44, 435331), (52, 368357), (143, 133948), (286, 66974), (572, 33487)]