19951758

素因数分解:

$2^1\times 3^5\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 45632496

約数和(自身を除く): 25680738

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 243, 366, 486, 549, 673, 1098, 1346, 1647, 2019, 3294, 4038, 4941, 6057, 9882, 12114, 14823, 18171, 29646, 36342, 41053, 54513, 82106, 109026, 123159, 163539, 246318, 327078, 369477, 738954, 1108431, 2216862, 3325293, 6650586, 9975879, 19951758]

約数ペア:

[(1, 19951758), (2, 9975879), (3, 6650586), (6, 3325293), (9, 2216862), (18, 1108431), (27, 738954), (54, 369477), (61, 327078), (81, 246318), (122, 163539), (162, 123159), (183, 109026), (243, 82106), (366, 54513), (486, 41053), (549, 36342), (673, 29646), (1098, 18171), (1346, 14823), (1647, 12114), (2019, 9882), (3294, 6057), (4038, 4941)]