18062217

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 28483200

約数和(自身を除く): 10420983

約数列:

[1, 3, 9, 19, 27, 57, 137, 171, 257, 411, 513, 771, 1233, 2313, 2603, 3699, 4883, 6939, 7809, 14649, 23427, 35209, 43947, 70281, 105627, 131841, 316881, 668971, 950643, 2006913, 6020739, 18062217]

約数ペア:

[(1, 18062217), (3, 6020739), (9, 2006913), (19, 950643), (27, 668971), (57, 316881), (137, 131841), (171, 105627), (257, 70281), (411, 43947), (513, 35209), (771, 23427), (1233, 14649), (2313, 7809), (2603, 6939), (3699, 4883)]