19571188

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7681}}^1$

素因数の和:7712

約数の個数: 36

約数和(自身を含む): 42911652

約数和(自身を除く): 23340464

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7681, 15362, 30724, 53767, 99853, 107534, 199706, 215068, 376369, 399412, 698971, 752738, 1397942, 1505476, 2795884, 4892797, 9785594, 19571188]

約数ペア:

[(1, 19571188), (2, 9785594), (4, 4892797), (7, 2795884), (13, 1505476), (14, 1397942), (26, 752738), (28, 698971), (49, 399412), (52, 376369), (91, 215068), (98, 199706), (182, 107534), (196, 99853), (364, 53767), (637, 30724), (1274, 15362), (2548, 7681)]