18880718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4397}}^1$

素因数の和:4531

約数の個数: 16

約数和(自身を含む): 30082320

約数和(自身を除く): 11201602

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 4397, 8794, 83543, 167086, 496861, 993722, 9440359, 18880718]

約数ペア:

[(1, 18880718), (2, 9440359), (19, 993722), (38, 496861), (113, 167086), (226, 83543), (2147, 8794), (4294, 4397)]