18002488

素因数分解:

$2^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{571}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 38712960

約数和(自身を除く): 20710472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 563, 571, 1126, 1142, 2252, 2284, 3941, 3997, 4504, 4568, 7882, 7994, 15764, 15988, 31528, 31976, 321473, 642946, 1285892, 2250311, 2571784, 4500622, 9001244, 18002488]

約数ペア:

[(1, 18002488), (2, 9001244), (4, 4500622), (7, 2571784), (8, 2250311), (14, 1285892), (28, 642946), (56, 321473), (563, 31976), (571, 31528), (1126, 15988), (1142, 15764), (2252, 7994), (2284, 7882), (3941, 4568), (3997, 4504)]