18809259

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 14368341

約数列:

[1, 3, 7, 17, 19, 21, 47, 51, 57, 59, 119, 133, 141, 177, 323, 329, 357, 399, 413, 799, 893, 969, 987, 1003, 1121, 1239, 2261, 2397, 2679, 2773, 3009, 3363, 5593, 6251, 6783, 7021, 7847, 8319, 15181, 16779, 18753, 19057, 19411, 21063, 23541, 45543, 47141, 52687, 57171, 58233, 106267, 133399, 141423, 158061, 318801, 329987, 368809, 400197, 895679, 989961, 1106427, 2687037, 6269753, 18809259]

約数ペア:

[(1, 18809259), (3, 6269753), (7, 2687037), (17, 1106427), (19, 989961), (21, 895679), (47, 400197), (51, 368809), (57, 329987), (59, 318801), (119, 158061), (133, 141423), (141, 133399), (177, 106267), (323, 58233), (329, 57171), (357, 52687), (399, 47141), (413, 45543), (799, 23541), (893, 21063), (969, 19411), (987, 19057), (1003, 18753), (1121, 16779), (1239, 15181), (2261, 8319), (2397, 7847), (2679, 7021), (2773, 6783), (3009, 6251), (3363, 5593)]