18822027

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 13353333

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 133, 147, 161, 293, 399, 437, 483, 879, 931, 1127, 1311, 2051, 2793, 3059, 3381, 5567, 6153, 6739, 9177, 14357, 16701, 20217, 21413, 38969, 43071, 47173, 64239, 116907, 128041, 141519, 272783, 330211, 384123, 818349, 896287, 990633, 2688861, 6274009, 18822027]

約数ペア:

[(1, 18822027), (3, 6274009), (7, 2688861), (19, 990633), (21, 896287), (23, 818349), (49, 384123), (57, 330211), (69, 272783), (133, 141519), (147, 128041), (161, 116907), (293, 64239), (399, 47173), (437, 43071), (483, 38969), (879, 21413), (931, 20217), (1127, 16701), (1311, 14357), (2051, 9177), (2793, 6739), (3059, 6153), (3381, 5567)]