19549089

素因数分解:

$3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:574

約数の個数: 36

約数和(自身を含む): 33259044

約数和(自身を除く): 13709955

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 291, 441, 457, 679, 873, 1371, 2037, 3199, 4113, 4753, 6111, 9597, 14259, 22393, 28791, 42777, 44329, 67179, 132987, 201537, 310303, 398961, 930909, 2172121, 2792727, 6516363, 19549089]

約数ペア:

[(1, 19549089), (3, 6516363), (7, 2792727), (9, 2172121), (21, 930909), (49, 398961), (63, 310303), (97, 201537), (147, 132987), (291, 67179), (441, 44329), (457, 42777), (679, 28791), (873, 22393), (1371, 14259), (2037, 9597), (3199, 6111), (4113, 4753)]