19855118

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1\times {\mathrm{661}}^1$

素因数の和:1339

約数の個数: 16

約数和(自身を含む): 31172256

約数和(自身を除く): 11317138

約数列:

[1, 2, 23, 46, 653, 661, 1306, 1322, 15019, 15203, 30038, 30406, 431633, 863266, 9927559, 19855118]

約数ペア:

[(1, 19855118), (2, 9927559), (23, 863266), (46, 431633), (653, 30406), (661, 30038), (1306, 15203), (1322, 15019)]