18631039

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2070

約数の個数: 16

約数和(自身を含む): 22740480

約数和(自身を除く): 4109441

約数列:

[1, 7, 19, 71, 133, 497, 1349, 1973, 9443, 13811, 37487, 140083, 262409, 980581, 2661577, 18631039]

約数ペア:

[(1, 18631039), (7, 2661577), (19, 980581), (71, 262409), (133, 140083), (497, 37487), (1349, 13811), (1973, 9443)]