18889984

素因数分解:

$2^8\times {\mathrm{113}}^1\times {\mathrm{653}}^1$

素因数の和:782

約数の個数: 36

約数和(自身を含む): 38098116

約数和(自身を除く): 19208132

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 452, 653, 904, 1306, 1808, 2612, 3616, 5224, 7232, 10448, 14464, 20896, 28928, 41792, 73789, 83584, 147578, 167168, 295156, 590312, 1180624, 2361248, 4722496, 9444992, 18889984]

約数ペア:

[(1, 18889984), (2, 9444992), (4, 4722496), (8, 2361248), (16, 1180624), (32, 590312), (64, 295156), (113, 167168), (128, 147578), (226, 83584), (256, 73789), (452, 41792), (653, 28928), (904, 20896), (1306, 14464), (1808, 10448), (2612, 7232), (3616, 5224)]