218861470

素因数分解:

$2^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{19489}}^1$

素因数の和:20619

約数の個数: 16

約数和(自身を含む): 394321680

約数和(自身を除く): 175460210

約数列:

[1, 2, 5, 10, 1123, 2246, 5615, 11230, 19489, 38978, 97445, 194890, 21886147, 43772294, 109430735, 218861470]

約数ペア:

[(1, 218861470), (2, 109430735), (5, 43772294), (10, 21886147), (1123, 194890), (2246, 97445), (5615, 38978), (11230, 19489)]