18178478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2089}}^1$

素因数の和:2339

約数の個数: 16

約数和(自身を含む): 28842000

約数和(自身を除く): 10663522

約数列:

[1, 2, 19, 38, 229, 458, 2089, 4178, 4351, 8702, 39691, 79382, 478381, 956762, 9089239, 18178478]

約数ペア:

[(1, 18178478), (2, 9089239), (19, 956762), (38, 478381), (229, 79382), (458, 39691), (2089, 8702), (4178, 4351)]