18652550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 40042080

約数和(自身を除く): 21389530

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 137, 175, 274, 350, 389, 685, 778, 959, 1370, 1918, 1945, 2723, 3425, 3890, 4795, 5446, 6850, 9590, 9725, 13615, 19450, 23975, 27230, 47950, 53293, 68075, 106586, 136150, 266465, 373051, 532930, 746102, 1332325, 1865255, 2664650, 3730510, 9326275, 18652550]

約数ペア:

[(1, 18652550), (2, 9326275), (5, 3730510), (7, 2664650), (10, 1865255), (14, 1332325), (25, 746102), (35, 532930), (50, 373051), (70, 266465), (137, 136150), (175, 106586), (274, 68075), (350, 53293), (389, 47950), (685, 27230), (778, 23975), (959, 19450), (1370, 13615), (1918, 9725), (1945, 9590), (2723, 6850), (3425, 5446), (3890, 4795)]