19394193

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3739}}^1$

素因数の和:3781

約数の個数: 32

約数和(自身を含む): 33510400

約数和(自身を除く): 14116207

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3739, 5187, 11217, 26173, 48607, 71041, 78519, 145821, 213123, 340249, 497287, 923533, 1020747, 1491861, 2770599, 6464731, 19394193]

約数ペア:

[(1, 19394193), (3, 6464731), (7, 2770599), (13, 1491861), (19, 1020747), (21, 923533), (39, 497287), (57, 340249), (91, 213123), (133, 145821), (247, 78519), (273, 71041), (399, 48607), (741, 26173), (1729, 11217), (3739, 5187)]