18251168

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 39291336

約数和(自身を除く): 21040168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 73, 104, 146, 208, 292, 416, 584, 601, 949, 1168, 1202, 1898, 2336, 2404, 3796, 4808, 7592, 7813, 9616, 15184, 15626, 19232, 30368, 31252, 43873, 62504, 87746, 125008, 175492, 250016, 350984, 570349, 701968, 1140698, 1403936, 2281396, 4562792, 9125584, 18251168]

約数ペア:

[(1, 18251168), (2, 9125584), (4, 4562792), (8, 2281396), (13, 1403936), (16, 1140698), (26, 701968), (32, 570349), (52, 350984), (73, 250016), (104, 175492), (146, 125008), (208, 87746), (292, 62504), (416, 43873), (584, 31252), (601, 30368), (949, 19232), (1168, 15626), (1202, 15184), (1898, 9616), (2336, 7813), (2404, 7592), (3796, 4808)]