19019924

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 42645120

約数和(自身を除く): 23625196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 1669, 2849, 3338, 5698, 6676, 11396, 11683, 18359, 23366, 36718, 46732, 61753, 73436, 123506, 128513, 247012, 257026, 432271, 514052, 679283, 864542, 1358566, 1729084, 2717132, 4754981, 9509962, 19019924]

約数ペア:

[(1, 19019924), (2, 9509962), (4, 4754981), (7, 2717132), (11, 1729084), (14, 1358566), (22, 864542), (28, 679283), (37, 514052), (44, 432271), (74, 257026), (77, 247012), (148, 128513), (154, 123506), (259, 73436), (308, 61753), (407, 46732), (518, 36718), (814, 23366), (1036, 18359), (1628, 11683), (1669, 11396), (2849, 6676), (3338, 5698)]