18359187

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 14818413

約数列:

[1, 3, 7, 11, 19, 21, 33, 47, 57, 77, 89, 133, 141, 209, 231, 267, 329, 399, 517, 623, 627, 893, 979, 987, 1463, 1551, 1691, 1869, 2679, 2937, 3619, 4183, 4389, 5073, 6251, 6853, 9823, 10857, 11837, 12549, 18601, 18753, 20559, 29281, 29469, 35511, 46013, 55803, 68761, 79477, 87843, 130207, 138039, 206283, 238431, 322091, 390621, 556339, 874247, 966273, 1669017, 2622741, 6119729, 18359187]

約数ペア:

[(1, 18359187), (3, 6119729), (7, 2622741), (11, 1669017), (19, 966273), (21, 874247), (33, 556339), (47, 390621), (57, 322091), (77, 238431), (89, 206283), (133, 138039), (141, 130207), (209, 87843), (231, 79477), (267, 68761), (329, 55803), (399, 46013), (517, 35511), (623, 29469), (627, 29281), (893, 20559), (979, 18753), (987, 18601), (1463, 12549), (1551, 11837), (1691, 10857), (1869, 9823), (2679, 6853), (2937, 6251), (3619, 5073), (4183, 4389)]