18984754

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:849

約数の個数: 16

約数和(自身を含む): 28986048

約数和(自身を除く): 10001294

約数列:

[1, 2, 103, 157, 206, 314, 587, 1174, 16171, 32342, 60461, 92159, 120922, 184318, 9492377, 18984754]

約数ペア:

[(1, 18984754), (2, 9492377), (103, 184318), (157, 120922), (206, 92159), (314, 60461), (587, 32342), (1174, 16171)]