18926550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:462

約数の個数: 72

約数和(自身を含む): 51387336

約数和(自身を除く): 32460786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 137, 150, 225, 274, 307, 411, 450, 614, 685, 822, 921, 1233, 1370, 1535, 1842, 2055, 2466, 2763, 3070, 3425, 4110, 4605, 5526, 6165, 6850, 7675, 9210, 10275, 12330, 13815, 15350, 20550, 23025, 27630, 30825, 42059, 46050, 61650, 69075, 84118, 126177, 138150, 210295, 252354, 378531, 420590, 630885, 757062, 1051475, 1261770, 1892655, 2102950, 3154425, 3785310, 6308850, 9463275, 18926550]

約数ペア:

[(1, 18926550), (2, 9463275), (3, 6308850), (5, 3785310), (6, 3154425), (9, 2102950), (10, 1892655), (15, 1261770), (18, 1051475), (25, 757062), (30, 630885), (45, 420590), (50, 378531), (75, 252354), (90, 210295), (137, 138150), (150, 126177), (225, 84118), (274, 69075), (307, 61650), (411, 46050), (450, 42059), (614, 30825), (685, 27630), (822, 23025), (921, 20550), (1233, 15350), (1370, 13815), (1535, 12330), (1842, 10275), (2055, 9210), (2466, 7675), (2763, 6850), (3070, 6165), (3425, 5526), (4110, 4605)]