18476220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43991}}^1$

素因数の和:44010

約数の個数: 48

約数和(自身を含む): 59125248

約数和(自身を除く): 40649028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43991, 87982, 131973, 175964, 219955, 263946, 307937, 439910, 527892, 615874, 659865, 879820, 923811, 1231748, 1319730, 1539685, 1847622, 2639460, 3079370, 3695244, 4619055, 6158740, 9238110, 18476220]

約数ペア:

[(1, 18476220), (2, 9238110), (3, 6158740), (4, 4619055), (5, 3695244), (6, 3079370), (7, 2639460), (10, 1847622), (12, 1539685), (14, 1319730), (15, 1231748), (20, 923811), (21, 879820), (28, 659865), (30, 615874), (35, 527892), (42, 439910), (60, 307937), (70, 263946), (84, 219955), (105, 175964), (140, 131973), (210, 87982), (420, 43991)]