19514000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{887}}^1$

素因数の和:921

約数の個数: 80

約数和(自身を含む): 51532416

約数和(自身を除く): 32018416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 880, 887, 1000, 1100, 1375, 1774, 2000, 2200, 2750, 3548, 4400, 4435, 5500, 7096, 8870, 9757, 11000, 14192, 17740, 19514, 22000, 22175, 35480, 39028, 44350, 48785, 70960, 78056, 88700, 97570, 110875, 156112, 177400, 195140, 221750, 243925, 354800, 390280, 443500, 487850, 780560, 887000, 975700, 1219625, 1774000, 1951400, 2439250, 3902800, 4878500, 9757000, 19514000]

約数ペア:

[(1, 19514000), (2, 9757000), (4, 4878500), (5, 3902800), (8, 2439250), (10, 1951400), (11, 1774000), (16, 1219625), (20, 975700), (22, 887000), (25, 780560), (40, 487850), (44, 443500), (50, 390280), (55, 354800), (80, 243925), (88, 221750), (100, 195140), (110, 177400), (125, 156112), (176, 110875), (200, 97570), (220, 88700), (250, 78056), (275, 70960), (400, 48785), (440, 44350), (500, 39028), (550, 35480), (880, 22175), (887, 22000), (1000, 19514), (1100, 17740), (1375, 14192), (1774, 11000), (2000, 9757), (2200, 8870), (2750, 7096), (3548, 5500), (4400, 4435)]