18856882

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{1163}}^1$

素因数の和:1254

約数の個数: 24

約数和(自身を含む): 31581648

約数和(自身を除く): 12724766

約数列:

[1, 2, 11, 22, 67, 121, 134, 242, 737, 1163, 1474, 2326, 8107, 12793, 16214, 25586, 77921, 140723, 155842, 281446, 857131, 1714262, 9428441, 18856882]

約数ペア:

[(1, 18856882), (2, 9428441), (11, 1714262), (22, 857131), (67, 281446), (121, 155842), (134, 140723), (242, 77921), (737, 25586), (1163, 16214), (1474, 12793), (2326, 8107)]