18319496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 39782400

約数和(自身を除く): 21462904

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 73, 76, 104, 127, 146, 152, 247, 254, 292, 494, 508, 584, 949, 988, 1016, 1387, 1651, 1898, 1976, 2413, 2774, 3302, 3796, 4826, 5548, 6604, 7592, 9271, 9652, 11096, 13208, 18031, 18542, 19304, 31369, 36062, 37084, 62738, 72124, 74168, 120523, 125476, 144248, 176149, 241046, 250952, 352298, 482092, 704596, 964184, 1409192, 2289937, 4579874, 9159748, 18319496]

約数ペア:

[(1, 18319496), (2, 9159748), (4, 4579874), (8, 2289937), (13, 1409192), (19, 964184), (26, 704596), (38, 482092), (52, 352298), (73, 250952), (76, 241046), (104, 176149), (127, 144248), (146, 125476), (152, 120523), (247, 74168), (254, 72124), (292, 62738), (494, 37084), (508, 36062), (584, 31369), (949, 19304), (988, 18542), (1016, 18031), (1387, 13208), (1651, 11096), (1898, 9652), (1976, 9271), (2413, 7592), (2774, 6604), (3302, 5548), (3796, 4826)]