16978712

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{19471}}^1$

素因数の和:19586

約数の個数: 16

約数和(自身を含む): 32128800

約数和(自身を除く): 15150088

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 19471, 38942, 77884, 155768, 2122339, 4244678, 8489356, 16978712]

約数ペア:

[(1, 16978712), (2, 8489356), (4, 4244678), (8, 2122339), (109, 155768), (218, 77884), (436, 38942), (872, 19471)]