19445569

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 25522560

約数和(自身を除く): 6076991

約数列:

[1, 11, 13, 17, 19, 143, 187, 209, 221, 247, 323, 421, 2431, 2717, 3553, 4199, 4631, 5473, 7157, 7999, 46189, 60203, 78727, 87989, 93041, 103987, 135983, 1023451, 1143857, 1495813, 1767779, 19445569]

約数ペア:

[(1, 19445569), (11, 1767779), (13, 1495813), (17, 1143857), (19, 1023451), (143, 135983), (187, 103987), (209, 93041), (221, 87989), (247, 78727), (323, 60203), (421, 46189), (2431, 7999), (2717, 7157), (3553, 5473), (4199, 4631)]