18724178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19793}}^1$

素因数の和:19849

約数の個数: 16

約数和(自身を含む): 31353696

約数和(自身を除く): 12629518

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19793, 39586, 217723, 435446, 851099, 1702198, 9362089, 18724178]

約数ペア:

[(1, 18724178), (2, 9362089), (11, 1702198), (22, 851099), (43, 435446), (86, 217723), (473, 39586), (946, 19793)]