18853436

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2237}}^1$

素因数の和:2298

約数の個数: 36

約数和(自身を含む): 39290328

約数和(自身を除く): 20436892

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 2237, 4214, 4474, 8428, 8948, 15659, 31318, 62636, 96191, 109613, 192382, 219226, 384764, 438452, 673337, 1346674, 2693348, 4713359, 9426718, 18853436]

約数ペア:

[(1, 18853436), (2, 9426718), (4, 4713359), (7, 2693348), (14, 1346674), (28, 673337), (43, 438452), (49, 384764), (86, 219226), (98, 192382), (172, 109613), (196, 96191), (301, 62636), (602, 31318), (1204, 15659), (2107, 8948), (2237, 8428), (4214, 4474)]