18637390

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27817}}^1$

素因数の和:27891

約数の個数: 16

約数和(自身を含む): 34049232

約数和(自身を除く): 15411842

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 27817, 55634, 139085, 278170, 1863739, 3727478, 9318695, 18637390]

約数ペア:

[(1, 18637390), (2, 9318695), (5, 3727478), (10, 1863739), (67, 278170), (134, 139085), (335, 55634), (670, 27817)]