19023579

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 40

約数和(自身を含む): 30666240

約数和(自身を除く): 11642661

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 141, 171, 263, 423, 513, 789, 893, 1269, 1539, 2367, 2679, 3807, 4997, 7101, 8037, 12361, 14991, 21303, 24111, 37083, 44973, 72333, 111249, 134919, 234859, 333747, 404757, 704577, 1001241, 2113731, 6341193, 19023579]

約数ペア:

[(1, 19023579), (3, 6341193), (9, 2113731), (19, 1001241), (27, 704577), (47, 404757), (57, 333747), (81, 234859), (141, 134919), (171, 111249), (263, 72333), (423, 44973), (513, 37083), (789, 24111), (893, 21303), (1269, 14991), (1539, 12361), (2367, 8037), (2679, 7101), (3807, 4997)]