19915256

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{24169}}^1$

素因数の和:24278

約数の個数: 16

約数和(自身を含む): 37705200

約数和(自身を除く): 17789944

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 24169, 48338, 96676, 193352, 2489407, 4978814, 9957628, 19915256]

約数ペア:

[(1, 19915256), (2, 9957628), (4, 4978814), (8, 2489407), (103, 193352), (206, 96676), (412, 48338), (824, 24169)]