18515028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 31126956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 227, 454, 681, 908, 971, 1362, 1589, 1942, 2724, 2913, 3178, 3884, 4767, 5826, 6356, 6797, 9534, 11652, 13594, 19068, 20391, 27188, 40782, 81564, 220417, 440834, 661251, 881668, 1322502, 1542919, 2645004, 3085838, 4628757, 6171676, 9257514, 18515028]

約数ペア:

[(1, 18515028), (2, 9257514), (3, 6171676), (4, 4628757), (6, 3085838), (7, 2645004), (12, 1542919), (14, 1322502), (21, 881668), (28, 661251), (42, 440834), (84, 220417), (227, 81564), (454, 40782), (681, 27188), (908, 20391), (971, 19068), (1362, 13594), (1589, 11652), (1942, 9534), (2724, 6797), (2913, 6356), (3178, 5826), (3884, 4767)]