18762868

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{587}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 33685344

約数和(自身を除く): 14922476

約数列:

[1, 2, 4, 61, 122, 131, 244, 262, 524, 587, 1174, 2348, 7991, 15982, 31964, 35807, 71614, 76897, 143228, 153794, 307588, 4690717, 9381434, 18762868]

約数ペア:

[(1, 18762868), (2, 9381434), (4, 4690717), (61, 307588), (122, 153794), (131, 143228), (244, 76897), (262, 71614), (524, 35807), (587, 31964), (1174, 15982), (2348, 7991)]