18874165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{953}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 24109488

約数和(自身を除く): 5235323

約数列:

[1, 5, 17, 85, 233, 953, 1165, 3961, 4765, 16201, 19805, 81005, 222049, 1110245, 3774833, 18874165]

約数ペア:

[(1, 18874165), (5, 3774833), (17, 1110245), (85, 222049), (233, 81005), (953, 19805), (1165, 16201), (3961, 4765)]