18652887

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 31168800

約数和(自身を除く): 12515913

約数列:

[1, 3, 9, 11, 29, 33, 73, 87, 89, 99, 219, 261, 267, 319, 657, 801, 803, 957, 979, 2117, 2409, 2581, 2871, 2937, 6351, 6497, 7227, 7743, 8811, 19053, 19491, 23229, 23287, 28391, 58473, 69861, 71467, 85173, 188413, 209583, 214401, 255519, 565239, 643203, 1695717, 2072543, 6217629, 18652887]

約数ペア:

[(1, 18652887), (3, 6217629), (9, 2072543), (11, 1695717), (29, 643203), (33, 565239), (73, 255519), (87, 214401), (89, 209583), (99, 188413), (219, 85173), (261, 71467), (267, 69861), (319, 58473), (657, 28391), (801, 23287), (803, 23229), (957, 19491), (979, 19053), (2117, 8811), (2409, 7743), (2581, 7227), (2871, 6497), (2937, 6351)]