19388244

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 46823616

約数和(自身を除く): 27435372

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 157, 164, 246, 251, 314, 471, 492, 502, 628, 753, 942, 1004, 1506, 1884, 3012, 6437, 10291, 12874, 19311, 20582, 25748, 30873, 38622, 39407, 41164, 61746, 77244, 78814, 118221, 123492, 157628, 236442, 472884, 1615687, 3231374, 4847061, 6462748, 9694122, 19388244]

約数ペア:

[(1, 19388244), (2, 9694122), (3, 6462748), (4, 4847061), (6, 3231374), (12, 1615687), (41, 472884), (82, 236442), (123, 157628), (157, 123492), (164, 118221), (246, 78814), (251, 77244), (314, 61746), (471, 41164), (492, 39407), (502, 38622), (628, 30873), (753, 25748), (942, 20582), (1004, 19311), (1506, 12874), (1884, 10291), (3012, 6437)]