18802179

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 32832000

約数和(自身を除く): 14029821

約数列:

[1, 3, 9, 11, 27, 29, 33, 37, 59, 87, 99, 111, 177, 261, 297, 319, 333, 407, 531, 649, 783, 957, 999, 1073, 1221, 1593, 1711, 1947, 2183, 2871, 3219, 3663, 5133, 5841, 6549, 8613, 9657, 10989, 11803, 15399, 17523, 18821, 19647, 24013, 28971, 35409, 46197, 56463, 58941, 63307, 72039, 106227, 169389, 189921, 216117, 318681, 508167, 569763, 648351, 696377, 1709289, 2089131, 6267393, 18802179]

約数ペア:

[(1, 18802179), (3, 6267393), (9, 2089131), (11, 1709289), (27, 696377), (29, 648351), (33, 569763), (37, 508167), (59, 318681), (87, 216117), (99, 189921), (111, 169389), (177, 106227), (261, 72039), (297, 63307), (319, 58941), (333, 56463), (407, 46197), (531, 35409), (649, 28971), (783, 24013), (957, 19647), (999, 18821), (1073, 17523), (1221, 15399), (1593, 11803), (1711, 10989), (1947, 9657), (2183, 8613), (2871, 6549), (3219, 5841), (3663, 5133)]