18051880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5861}}^1$

素因数の和:5890

約数の個数: 64

約数和(自身を含む): 50647680

約数和(自身を除く): 32595800

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, 5861, 11722, 23444, 29305, 41027, 46888, 58610, 64471, 82054, 117220, 128942, 164108, 205135, 234440, 257884, 322355, 328216, 410270, 451297, 515768, 644710, 820540, 902594, 1289420, 1641080, 1805188, 2256485, 2578840, 3610376, 4512970, 9025940, 18051880]

約数ペア:

[(1, 18051880), (2, 9025940), (4, 4512970), (5, 3610376), (7, 2578840), (8, 2256485), (10, 1805188), (11, 1641080), (14, 1289420), (20, 902594), (22, 820540), (28, 644710), (35, 515768), (40, 451297), (44, 410270), (55, 328216), (56, 322355), (70, 257884), (77, 234440), (88, 205135), (110, 164108), (140, 128942), (154, 117220), (220, 82054), (280, 64471), (308, 58610), (385, 46888), (440, 41027), (616, 29305), (770, 23444), (1540, 11722), (3080, 5861)]