18450159

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3557}}^1$

素因数の和:3599

約数の個数: 32

約数和(自身を含む): 31879680

約数和(自身を除く): 13429521

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3557, 5187, 10671, 24899, 46241, 67583, 74697, 138723, 202749, 323687, 473081, 878579, 971061, 1419243, 2635737, 6150053, 18450159]

約数ペア:

[(1, 18450159), (3, 6150053), (7, 2635737), (13, 1419243), (19, 971061), (21, 878579), (39, 473081), (57, 323687), (91, 202749), (133, 138723), (247, 74697), (273, 67583), (399, 46241), (741, 24899), (1729, 10671), (3557, 5187)]