19178397

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 35389440

約数和(自身を除く): 16211043

約数列:

[1, 3, 7, 9, 17, 21, 27, 47, 51, 63, 119, 127, 141, 153, 189, 329, 357, 381, 423, 459, 799, 889, 987, 1071, 1143, 1269, 2159, 2397, 2667, 2961, 3213, 3429, 5593, 5969, 6477, 7191, 8001, 8883, 15113, 16779, 17907, 19431, 21573, 24003, 41783, 45339, 50337, 53721, 58293, 101473, 125349, 136017, 151011, 161163, 304419, 376047, 408051, 710311, 913257, 1128141, 2130933, 2739771, 6392799, 19178397]

約数ペア:

[(1, 19178397), (3, 6392799), (7, 2739771), (9, 2130933), (17, 1128141), (21, 913257), (27, 710311), (47, 408051), (51, 376047), (63, 304419), (119, 161163), (127, 151011), (141, 136017), (153, 125349), (189, 101473), (329, 58293), (357, 53721), (381, 50337), (423, 45339), (459, 41783), (799, 24003), (889, 21573), (987, 19431), (1071, 17907), (1143, 16779), (1269, 15113), (2159, 8883), (2397, 8001), (2667, 7191), (2961, 6477), (3213, 5969), (3429, 5593)]