18722816

素因数分解:

$2^{12}\times 7^1\times {\mathrm{653}}^1$

素因数の和:684

約数の個数: 52

約数和(自身を含む): 42855312

約数和(自身を除く): 24132496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 653, 896, 1024, 1306, 1792, 2048, 2612, 3584, 4096, 4571, 5224, 7168, 9142, 10448, 14336, 18284, 20896, 28672, 36568, 41792, 73136, 83584, 146272, 167168, 292544, 334336, 585088, 668672, 1170176, 1337344, 2340352, 2674688, 4680704, 9361408, 18722816]

約数ペア:

[(1, 18722816), (2, 9361408), (4, 4680704), (7, 2674688), (8, 2340352), (14, 1337344), (16, 1170176), (28, 668672), (32, 585088), (56, 334336), (64, 292544), (112, 167168), (128, 146272), (224, 83584), (256, 73136), (448, 41792), (512, 36568), (653, 28672), (896, 20896), (1024, 18284), (1306, 14336), (1792, 10448), (2048, 9142), (2612, 7168), (3584, 5224), (4096, 4571)]