19937432

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{9929}}^1$

素因数の和:10186

約数の個数: 16

約数和(自身を含む): 37535400

約数和(自身を除く): 17597968

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 9929, 19858, 39716, 79432, 2492179, 4984358, 9968716, 19937432]

約数ペア:

[(1, 19937432), (2, 9968716), (4, 4984358), (8, 2492179), (251, 79432), (502, 39716), (1004, 19858), (2008, 9929)]