19369665

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 39936000

約数和(自身を除く): 20566335

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 103, 105, 135, 189, 199, 309, 315, 515, 597, 721, 927, 945, 995, 1393, 1545, 1791, 2163, 2781, 2985, 3605, 4179, 4635, 5373, 6489, 6965, 8955, 10815, 12537, 13905, 19467, 20497, 20895, 26865, 32445, 37611, 61491, 62685, 97335, 102485, 143479, 184473, 188055, 307455, 430437, 553419, 717395, 922365, 1291311, 2152185, 2767095, 3873933, 6456555, 19369665]

約数ペア:

[(1, 19369665), (3, 6456555), (5, 3873933), (7, 2767095), (9, 2152185), (15, 1291311), (21, 922365), (27, 717395), (35, 553419), (45, 430437), (63, 307455), (103, 188055), (105, 184473), (135, 143479), (189, 102485), (199, 97335), (309, 62685), (315, 61491), (515, 37611), (597, 32445), (721, 26865), (927, 20895), (945, 20497), (995, 19467), (1393, 13905), (1545, 12537), (1791, 10815), (2163, 8955), (2781, 6965), (2985, 6489), (3605, 5373), (4179, 4635)]