18897886

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20147}}^1$

素因数の和:20223

約数の個数: 16

約数和(自身を含む): 32881536

約数和(自身を除く): 13983650

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 20147, 40294, 141029, 282058, 1349849, 2699698, 9448943, 18897886]

約数ペア:

[(1, 18897886), (2, 9448943), (7, 2699698), (14, 1349849), (67, 282058), (134, 141029), (469, 40294), (938, 20147)]