19209015

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{20327}}^1$

素因数の和:20348

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 19820745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 20327, 60981, 101635, 142289, 182943, 304905, 426867, 548829, 711445, 914715, 1280601, 2134335, 2744145, 3841803, 6403005, 19209015]

約数ペア:

[(1, 19209015), (3, 6403005), (5, 3841803), (7, 2744145), (9, 2134335), (15, 1280601), (21, 914715), (27, 711445), (35, 548829), (45, 426867), (63, 304905), (105, 182943), (135, 142289), (189, 101635), (315, 60981), (945, 20327)]