18765405

素因数分解:

$3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{607}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 33561600

約数和(自身を除く): 14796195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 229, 607, 687, 1145, 1821, 2061, 3035, 3435, 5463, 6183, 9105, 10305, 16389, 27315, 30915, 81945, 139003, 417009, 695015, 1251027, 2085045, 3753081, 6255135, 18765405]

約数ペア:

[(1, 18765405), (3, 6255135), (5, 3753081), (9, 2085045), (15, 1251027), (27, 695015), (45, 417009), (135, 139003), (229, 81945), (607, 30915), (687, 27315), (1145, 16389), (1821, 10305), (2061, 9105), (3035, 6183), (3435, 5463)]