18949206549

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9915859}}^1$

素因数の和:9915889

約数の個数: 24

約数和(自身を含む): 31651425120

約数和(自身を除く): 12702218571

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9915859, 29747577, 69411013, 128906167, 208233039, 386718501, 485877091, 902343169, 1457631273, 2707029507, 6316402183, 18949206549]

約数ペア:

[(1, 18949206549), (3, 6316402183), (7, 2707029507), (13, 1457631273), (21, 902343169), (39, 485877091), (49, 386718501), (91, 208233039), (147, 128906167), (273, 69411013), (637, 29747577), (1911, 9915859)]