18738190

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17191}}^1$

素因数の和:17307

約数の個数: 16

約数和(自身を含む): 34040160

約数和(自身を除く): 15301970

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17191, 34382, 85955, 171910, 1873819, 3747638, 9369095, 18738190]

約数ペア:

[(1, 18738190), (2, 9369095), (5, 3747638), (10, 1873819), (109, 171910), (218, 85955), (545, 34382), (1090, 17191)]