18601893

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 56

約数和(自身を含む): 31478400

約数和(自身を除く): 12876507

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 79, 81, 153, 171, 237, 243, 323, 459, 513, 711, 729, 969, 1343, 1377, 1501, 1539, 2133, 2907, 4029, 4131, 4503, 4617, 6399, 8721, 12087, 12393, 13509, 13851, 19197, 25517, 26163, 36261, 40527, 57591, 76551, 78489, 108783, 121581, 229653, 235467, 326349, 364743, 688959, 979047, 1094229, 2066877, 6200631, 18601893]

約数ペア:

[(1, 18601893), (3, 6200631), (9, 2066877), (17, 1094229), (19, 979047), (27, 688959), (51, 364743), (57, 326349), (79, 235467), (81, 229653), (153, 121581), (171, 108783), (237, 78489), (243, 76551), (323, 57591), (459, 40527), (513, 36261), (711, 26163), (729, 25517), (969, 19197), (1343, 13851), (1377, 13509), (1501, 12393), (1539, 12087), (2133, 8721), (2907, 6399), (4029, 4617), (4131, 4503)]