18977834

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1163}}^1$

素因数の和:1405

約数の個数: 16

約数和(自身を含む): 29332800

約数和(自身を除く): 10354966

約数列:

[1, 2, 41, 82, 199, 398, 1163, 2326, 8159, 16318, 47683, 95366, 231437, 462874, 9488917, 18977834]

約数ペア:

[(1, 18977834), (2, 9488917), (41, 462874), (82, 231437), (199, 95366), (398, 47683), (1163, 16318), (2326, 8159)]