21818308

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7759}}^1$

素因数の和:7819

約数の個数: 24

約数和(自身を含む): 41283200

約数和(自身を除く): 19464892

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7759, 15518, 31036, 147421, 287083, 294842, 574166, 589684, 1148332, 5454577, 10909154, 21818308]

約数ペア:

[(1, 21818308), (2, 10909154), (4, 5454577), (19, 1148332), (37, 589684), (38, 574166), (74, 294842), (76, 287083), (148, 147421), (703, 31036), (1406, 15518), (2812, 7759)]