1998193008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{37879}}^1$

素因数の和:38054

約数の個数: 80

約数和(自身を含む): 5937159680

約数和(自身を除く): 3938966672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 157, 168, 314, 336, 471, 628, 942, 1099, 1256, 1884, 2198, 2512, 3297, 3768, 4396, 6594, 7536, 8792, 13188, 17584, 26376, 37879, 52752, 75758, 113637, 151516, 227274, 265153, 303032, 454548, 530306, 606064, 795459, 909096, 1060612, 1590918, 1818192, 2121224, 3181836, 4242448, 5947003, 6363672, 11894006, 12727344, 17841009, 23788012, 35682018, 41629021, 47576024, 71364036, 83258042, 95152048, 124887063, 142728072, 166516084, 249774126, 285456144, 333032168, 499548252, 666064336, 999096504, 1998193008]

約数ペア:

[(1, 1998193008), (2, 999096504), (3, 666064336), (4, 499548252), (6, 333032168), (7, 285456144), (8, 249774126), (12, 166516084), (14, 142728072), (16, 124887063), (21, 95152048), (24, 83258042), (28, 71364036), (42, 47576024), (48, 41629021), (56, 35682018), (84, 23788012), (112, 17841009), (157, 12727344), (168, 11894006), (314, 6363672), (336, 5947003), (471, 4242448), (628, 3181836), (942, 2121224), (1099, 1818192), (1256, 1590918), (1884, 1060612), (2198, 909096), (2512, 795459), (3297, 606064), (3768, 530306), (4396, 454548), (6594, 303032), (7536, 265153), (8792, 227274), (13188, 151516), (17584, 113637), (26376, 75758), (37879, 52752)]