18581373

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 30000000

約数和(自身を除く): 11418627

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1249, 1653, 3747, 4959, 11241, 14877, 23731, 33723, 36221, 71193, 108663, 213579, 325989, 640737, 688199, 977967, 2064597, 6193791, 18581373]

約数ペア:

[(1, 18581373), (3, 6193791), (9, 2064597), (19, 977967), (27, 688199), (29, 640737), (57, 325989), (87, 213579), (171, 108663), (261, 71193), (513, 36221), (551, 33723), (783, 23731), (1249, 14877), (1653, 11241), (3747, 4959)]