18050487

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1847

約数の個数: 32

約数和(自身を含む): 30438912

約数和(自身を除く): 12388425

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 1787, 3367, 5361, 10101, 12509, 23231, 37527, 66119, 69693, 162617, 198357, 462833, 487851, 859547, 1388499, 2578641, 6016829, 18050487]

約数ペア:

[(1, 18050487), (3, 6016829), (7, 2578641), (13, 1388499), (21, 859547), (37, 487851), (39, 462833), (91, 198357), (111, 162617), (259, 69693), (273, 66119), (481, 37527), (777, 23231), (1443, 12509), (1787, 10101), (3367, 5361)]