19757000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 48297600

約数和(自身を除く): 28540600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 859, 920, 1000, 1150, 1718, 2300, 2875, 3436, 4295, 4600, 5750, 6872, 8590, 11500, 17180, 19757, 21475, 23000, 34360, 39514, 42950, 79028, 85900, 98785, 107375, 158056, 171800, 197570, 214750, 395140, 429500, 493925, 790280, 859000, 987850, 1975700, 2469625, 3951400, 4939250, 9878500, 19757000]

約数ペア:

[(1, 19757000), (2, 9878500), (4, 4939250), (5, 3951400), (8, 2469625), (10, 1975700), (20, 987850), (23, 859000), (25, 790280), (40, 493925), (46, 429500), (50, 395140), (92, 214750), (100, 197570), (115, 171800), (125, 158056), (184, 107375), (200, 98785), (230, 85900), (250, 79028), (460, 42950), (500, 39514), (575, 34360), (859, 23000), (920, 21475), (1000, 19757), (1150, 17180), (1718, 11500), (2300, 8590), (2875, 6872), (3436, 5750), (4295, 4600)]