18982040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6163}}^1$

素因数の和:6192

約数の個数: 64

約数和(自身を含む): 53256960

約数和(自身を除く): 34274920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6163, 12326, 24652, 30815, 43141, 49304, 61630, 67793, 86282, 123260, 135586, 172564, 215705, 246520, 271172, 338965, 345128, 431410, 474551, 542344, 677930, 862820, 949102, 1355860, 1725640, 1898204, 2372755, 2711720, 3796408, 4745510, 9491020, 18982040]

約数ペア:

[(1, 18982040), (2, 9491020), (4, 4745510), (5, 3796408), (7, 2711720), (8, 2372755), (10, 1898204), (11, 1725640), (14, 1355860), (20, 949102), (22, 862820), (28, 677930), (35, 542344), (40, 474551), (44, 431410), (55, 345128), (56, 338965), (70, 271172), (77, 246520), (88, 215705), (110, 172564), (140, 135586), (154, 123260), (220, 86282), (280, 67793), (308, 61630), (385, 49304), (440, 43141), (616, 30815), (770, 24652), (1540, 12326), (3080, 6163)]