19851986

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11719}}^1$

素因数の和:11750

約数の個数: 24

約数和(自身を含む): 37410240

約数和(自身を除く): 17558254

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 11719, 23438, 82033, 128909, 164066, 257818, 902363, 1417999, 1804726, 2835998, 9925993, 19851986]

約数ペア:

[(1, 19851986), (2, 9925993), (7, 2835998), (11, 1804726), (14, 1417999), (22, 902363), (77, 257818), (121, 164066), (154, 128909), (242, 82033), (847, 23438), (1694, 11719)]