18259000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 46472400

約数和(自身を除く): 28213400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 76, 95, 100, 124, 125, 152, 155, 190, 200, 248, 250, 310, 380, 475, 500, 589, 620, 760, 775, 950, 961, 1000, 1178, 1240, 1550, 1900, 1922, 2356, 2375, 2945, 3100, 3800, 3844, 3875, 4712, 4750, 4805, 5890, 6200, 7688, 7750, 9500, 9610, 11780, 14725, 15500, 18259, 19000, 19220, 23560, 24025, 29450, 31000, 36518, 38440, 48050, 58900, 73036, 73625, 91295, 96100, 117800, 120125, 146072, 147250, 182590, 192200, 240250, 294500, 365180, 456475, 480500, 589000, 730360, 912950, 961000, 1825900, 2282375, 3651800, 4564750, 9129500, 18259000]

約数ペア:

[(1, 18259000), (2, 9129500), (4, 4564750), (5, 3651800), (8, 2282375), (10, 1825900), (19, 961000), (20, 912950), (25, 730360), (31, 589000), (38, 480500), (40, 456475), (50, 365180), (62, 294500), (76, 240250), (95, 192200), (100, 182590), (124, 147250), (125, 146072), (152, 120125), (155, 117800), (190, 96100), (200, 91295), (248, 73625), (250, 73036), (310, 58900), (380, 48050), (475, 38440), (500, 36518), (589, 31000), (620, 29450), (760, 24025), (775, 23560), (950, 19220), (961, 19000), (1000, 18259), (1178, 15500), (1240, 14725), (1550, 11780), (1900, 9610), (1922, 9500), (2356, 7750), (2375, 7688), (2945, 6200), (3100, 5890), (3800, 4805), (3844, 4750), (3875, 4712)]