19806412

素因数分解:

$2^2\times {\mathrm{127}}^2\times {\mathrm{307}}^1$

素因数の和:565

約数の個数: 18

約数和(自身を含む): 35050092

約数和(自身を除く): 15243680

約数列:

[1, 2, 4, 127, 254, 307, 508, 614, 1228, 16129, 32258, 38989, 64516, 77978, 155956, 4951603, 9903206, 19806412]

約数ペア:

[(1, 19806412), (2, 9903206), (4, 4951603), (127, 155956), (254, 77978), (307, 64516), (508, 38989), (614, 32258), (1228, 16129)]