18565974647

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1979}}^1\times {\mathrm{3371}}^1$

素因数の和:5395

約数の個数: 24

約数和(自身を含む): 21311579520

約数和(自身を除く): 2745604873

約数列:

[1, 11, 23, 121, 253, 1979, 2783, 3371, 21769, 37081, 45517, 77533, 239459, 407891, 500687, 852863, 5507557, 6671209, 9381493, 73383299, 153437807, 807216289, 1687815877, 18565974647]

約数ペア:

[(1, 18565974647), (11, 1687815877), (23, 807216289), (121, 153437807), (253, 73383299), (1979, 9381493), (2783, 6671209), (3371, 5507557), (21769, 852863), (37081, 500687), (45517, 407891), (77533, 239459)]