19553264

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71887}}^1$

素因数の和:71912

約数の個数: 20

約数和(自身を含む): 40113504

約数和(自身を除く): 20560240

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71887, 143774, 287548, 575096, 1150192, 1222079, 2444158, 4888316, 9776632, 19553264]

約数ペア:

[(1, 19553264), (2, 9776632), (4, 4888316), (8, 2444158), (16, 1222079), (17, 1150192), (34, 575096), (68, 287548), (136, 143774), (272, 71887)]