18638613

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5801}}^1$

素因数の和:5834

約数の個数: 32

約数和(自身を含む): 33419520

約数和(自身を除く): 14780907

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 5801, 17403, 40607, 52209, 98617, 121821, 156627, 295851, 365463, 690319, 887553, 1096389, 2070957, 2662659, 6212871, 18638613]

約数ペア:

[(1, 18638613), (3, 6212871), (7, 2662659), (9, 2070957), (17, 1096389), (21, 887553), (27, 690319), (51, 365463), (63, 295851), (119, 156627), (153, 121821), (189, 98617), (357, 52209), (459, 40607), (1071, 17403), (3213, 5801)]