18729123832

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{127}}^2\times {\mathrm{3923}}^1$

素因数の和:4220

約数の個数: 48

約数和(自身を含む): 36361706760

約数和(自身を除く): 17632582928

約数列:

[1, 2, 4, 8, 37, 74, 127, 148, 254, 296, 508, 1016, 3923, 4699, 7846, 9398, 15692, 16129, 18796, 31384, 32258, 37592, 64516, 129032, 145151, 290302, 498221, 580604, 596773, 996442, 1161208, 1193546, 1992884, 2387092, 3985768, 4774184, 18434177, 36868354, 63274067, 73736708, 126548134, 147473416, 253096268, 506192536, 2341140479, 4682280958, 9364561916, 18729123832]

約数ペア:

[(1, 18729123832), (2, 9364561916), (4, 4682280958), (8, 2341140479), (37, 506192536), (74, 253096268), (127, 147473416), (148, 126548134), (254, 73736708), (296, 63274067), (508, 36868354), (1016, 18434177), (3923, 4774184), (4699, 3985768), (7846, 2387092), (9398, 1992884), (15692, 1193546), (16129, 1161208), (18796, 996442), (31384, 596773), (32258, 580604), (37592, 498221), (64516, 290302), (129032, 145151)]