17999172

素因数分解:

$2^2\times 3^4\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:850

約数の個数: 60

約数和(自身を含む): 47760636

約数和(自身を除く): 29761464

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 292, 324, 438, 657, 761, 876, 1314, 1522, 1971, 2283, 2628, 3044, 3942, 4566, 5913, 6849, 7884, 9132, 11826, 13698, 20547, 23652, 27396, 41094, 55553, 61641, 82188, 111106, 123282, 166659, 222212, 246564, 333318, 499977, 666636, 999954, 1499931, 1999908, 2999862, 4499793, 5999724, 8999586, 17999172]

約数ペア:

[(1, 17999172), (2, 8999586), (3, 5999724), (4, 4499793), (6, 2999862), (9, 1999908), (12, 1499931), (18, 999954), (27, 666636), (36, 499977), (54, 333318), (73, 246564), (81, 222212), (108, 166659), (146, 123282), (162, 111106), (219, 82188), (292, 61641), (324, 55553), (438, 41094), (657, 27396), (761, 23652), (876, 20547), (1314, 13698), (1522, 11826), (1971, 9132), (2283, 7884), (2628, 6849), (3044, 5913), (3942, 4566)]