18900992

素因数分解:

$2^{11}\times {\mathrm{11}}^1\times {\mathrm{839}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 41277600

約数和(自身を除く): 22376608

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 839, 1024, 1408, 1678, 2048, 2816, 3356, 5632, 6712, 9229, 11264, 13424, 18458, 22528, 26848, 36916, 53696, 73832, 107392, 147664, 214784, 295328, 429568, 590656, 859136, 1181312, 1718272, 2362624, 4725248, 9450496, 18900992]

約数ペア:

[(1, 18900992), (2, 9450496), (4, 4725248), (8, 2362624), (11, 1718272), (16, 1181312), (22, 859136), (32, 590656), (44, 429568), (64, 295328), (88, 214784), (128, 147664), (176, 107392), (256, 73832), (352, 53696), (512, 36916), (704, 26848), (839, 22528), (1024, 18458), (1408, 13424), (1678, 11264), (2048, 9229), (2816, 6712), (3356, 5632)]