18059500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1939

約数の個数: 48

約数和(自身を含む): 41539680

約数和(自身を除く): 23480180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 1901, 2375, 3802, 4750, 7604, 9500, 9505, 19010, 36119, 38020, 47525, 72238, 95050, 144476, 180595, 190100, 237625, 361190, 475250, 722380, 902975, 950500, 1805950, 3611900, 4514875, 9029750, 18059500]

約数ペア:

[(1, 18059500), (2, 9029750), (4, 4514875), (5, 3611900), (10, 1805950), (19, 950500), (20, 902975), (25, 722380), (38, 475250), (50, 361190), (76, 237625), (95, 190100), (100, 180595), (125, 144476), (190, 95050), (250, 72238), (380, 47525), (475, 38020), (500, 36119), (950, 19010), (1900, 9505), (1901, 9500), (2375, 7604), (3802, 4750)]