19298000

素因数分解:

$2^4\times 5^3\times {\mathrm{9649}}^1$

素因数の和:9672

約数の個数: 40

約数和(自身を含む): 46667400

約数和(自身を除く): 27369400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9649, 19298, 38596, 48245, 77192, 96490, 154384, 192980, 241225, 385960, 482450, 771920, 964900, 1206125, 1929800, 2412250, 3859600, 4824500, 9649000, 19298000]

約数ペア:

[(1, 19298000), (2, 9649000), (4, 4824500), (5, 3859600), (8, 2412250), (10, 1929800), (16, 1206125), (20, 964900), (25, 771920), (40, 482450), (50, 385960), (80, 241225), (100, 192980), (125, 154384), (200, 96490), (250, 77192), (400, 48245), (500, 38596), (1000, 19298), (2000, 9649)]