18960993

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1658

約数の個数: 32

約数和(自身を含む): 30873600

約数和(自身を除く): 11912607

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 1607, 3933, 4821, 11799, 14463, 30533, 36961, 43389, 91599, 110883, 274797, 332649, 702259, 824391, 997947, 2106777, 6320331, 18960993]

約数ペア:

[(1, 18960993), (3, 6320331), (9, 2106777), (19, 997947), (23, 824391), (27, 702259), (57, 332649), (69, 274797), (171, 110883), (207, 91599), (437, 43389), (513, 36961), (621, 30533), (1311, 14463), (1607, 11799), (3933, 4821)]