18364276

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21157}}^1$

素因数の和:21199

約数の個数: 24

約数和(自身を含む): 37915136

約数和(自身を除く): 19550860

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21157, 42314, 84628, 148099, 296198, 592396, 655867, 1311734, 2623468, 4591069, 9182138, 18364276]

約数ペア:

[(1, 18364276), (2, 9182138), (4, 4591069), (7, 2623468), (14, 1311734), (28, 655867), (31, 592396), (62, 296198), (124, 148099), (217, 84628), (434, 42314), (868, 21157)]