19589000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 48297600

約数和(自身を除く): 28708600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1031, 1900, 2062, 2375, 3800, 4124, 4750, 5155, 8248, 9500, 10310, 19000, 19589, 20620, 25775, 39178, 41240, 51550, 78356, 97945, 103100, 128875, 156712, 195890, 206200, 257750, 391780, 489725, 515500, 783560, 979450, 1031000, 1958900, 2448625, 3917800, 4897250, 9794500, 19589000]

約数ペア:

[(1, 19589000), (2, 9794500), (4, 4897250), (5, 3917800), (8, 2448625), (10, 1958900), (19, 1031000), (20, 979450), (25, 783560), (38, 515500), (40, 489725), (50, 391780), (76, 257750), (95, 206200), (100, 195890), (125, 156712), (152, 128875), (190, 103100), (200, 97945), (250, 78356), (380, 51550), (475, 41240), (500, 39178), (760, 25775), (950, 20620), (1000, 19589), (1031, 19000), (1900, 10310), (2062, 9500), (2375, 8248), (3800, 5155), (4124, 4750)]