18511428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1109}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 46992960

約数和(自身を除く): 28481532

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1109, 1284, 1391, 2218, 2782, 3327, 4173, 4436, 5564, 6654, 8346, 13308, 14417, 16692, 28834, 43251, 57668, 86502, 118663, 173004, 237326, 355989, 474652, 711978, 1423956, 1542619, 3085238, 4627857, 6170476, 9255714, 18511428]

約数ペア:

[(1, 18511428), (2, 9255714), (3, 6170476), (4, 4627857), (6, 3085238), (12, 1542619), (13, 1423956), (26, 711978), (39, 474652), (52, 355989), (78, 237326), (107, 173004), (156, 118663), (214, 86502), (321, 57668), (428, 43251), (642, 28834), (1109, 16692), (1284, 14417), (1391, 13308), (2218, 8346), (2782, 6654), (3327, 5564), (4173, 4436)]