19639785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3217}}^1$

素因数の和:3273

約数の個数: 32

約数和(自身を含む): 35217792

約数和(自身を除く): 15578007

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 3217, 6105, 9651, 16085, 35387, 48255, 106161, 119029, 176935, 357087, 530805, 595145, 1309319, 1785435, 3927957, 6546595, 19639785]

約数ペア:

[(1, 19639785), (3, 6546595), (5, 3927957), (11, 1785435), (15, 1309319), (33, 595145), (37, 530805), (55, 357087), (111, 176935), (165, 119029), (185, 106161), (407, 48255), (555, 35387), (1221, 16085), (2035, 9651), (3217, 6105)]