19858734

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{397}}^2$

素因数の和:809

約数の個数: 36

約数和(自身を含む): 49298184

約数和(自身を除く): 29439450

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 397, 794, 1191, 2382, 2779, 3573, 5558, 7146, 8337, 16674, 25011, 50022, 157609, 315218, 472827, 945654, 1103263, 1418481, 2206526, 2836962, 3309789, 6619578, 9929367, 19858734]

約数ペア:

[(1, 19858734), (2, 9929367), (3, 6619578), (6, 3309789), (7, 2836962), (9, 2206526), (14, 1418481), (18, 1103263), (21, 945654), (42, 472827), (63, 315218), (126, 157609), (397, 50022), (794, 25011), (1191, 16674), (2382, 8337), (2779, 7146), (3573, 5558)]