17999747969

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1\times {\mathrm{18913}}^1$

素因数の和:20720

約数の個数: 16

約数和(自身を含む): 20844741120

約数和(自身を除く): 2844993151

約数列:

[1, 7, 79, 553, 1721, 12047, 18913, 132391, 135959, 951713, 1494127, 10458889, 32549273, 227844911, 2571392567, 17999747969]

約数ペア:

[(1, 17999747969), (7, 2571392567), (79, 227844911), (553, 32549273), (1721, 10458889), (12047, 1494127), (18913, 951713), (132391, 135959)]