18871066

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11549}}^1$

素因数の和:11613

約数の個数: 16

約数和(自身を含む): 30492000

約数和(自身を除く): 11620934

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 11549, 23098, 219431, 438862, 496607, 993214, 9435533, 18871066]

約数ペア:

[(1, 18871066), (2, 9435533), (19, 993214), (38, 496607), (43, 438862), (86, 219431), (817, 23098), (1634, 11549)]