9918512

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{19997}}^1$

素因数の和:20036

約数の個数: 20

約数和(自身を含む): 19838016

約数和(自身を除く): 9919504

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 19997, 39994, 79988, 159976, 319952, 619907, 1239814, 2479628, 4959256, 9918512]

約数ペア:

[(1, 9918512), (2, 4959256), (4, 2479628), (8, 1239814), (16, 619907), (31, 319952), (62, 159976), (124, 79988), (248, 39994), (496, 19997)]