18738578

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:961

約数の個数: 16

約数和(自身を含む): 28667520

約数和(自身を除く): 9928942

約数列:

[1, 2, 83, 157, 166, 314, 719, 1438, 13031, 26062, 59677, 112883, 119354, 225766, 9369289, 18738578]

約数ペア:

[(1, 18738578), (2, 9369289), (83, 225766), (157, 119354), (166, 112883), (314, 59677), (719, 26062), (1438, 13031)]