19581183

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 29834896

約数和(自身を除く): 10253713

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 1321, 1647, 3963, 4941, 11889, 14823, 35667, 80581, 107001, 241743, 321003, 725229, 2175687, 6527061, 19581183]

約数ペア:

[(1, 19581183), (3, 6527061), (9, 2175687), (27, 725229), (61, 321003), (81, 241743), (183, 107001), (243, 80581), (549, 35667), (1321, 14823), (1647, 11889), (3963, 4941)]