18057543

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 29245440

約数和(自身を除く): 11187897

約数列:

[1, 3, 7, 19, 21, 57, 133, 167, 271, 399, 501, 813, 1169, 1897, 3173, 3507, 5149, 5691, 9519, 15447, 22211, 36043, 45257, 66633, 108129, 135771, 316799, 859883, 950397, 2579649, 6019181, 18057543]

約数ペア:

[(1, 18057543), (3, 6019181), (7, 2579649), (19, 950397), (21, 859883), (57, 316799), (133, 135771), (167, 108129), (271, 66633), (399, 45257), (501, 36043), (813, 22211), (1169, 15447), (1897, 9519), (3173, 5691), (3507, 5149)]