18156959457

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9501287}}^1$

素因数の和:9501317

約数の個数: 24

約数和(自身を含む): 30328111296

約数和(自身を除く): 12171151839

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9501287, 28503861, 66509009, 123516731, 199527027, 370550193, 465563063, 864617117, 1396689189, 2593851351, 6052319819, 18156959457]

約数ペア:

[(1, 18156959457), (3, 6052319819), (7, 2593851351), (13, 1396689189), (21, 864617117), (39, 465563063), (49, 370550193), (91, 199527027), (147, 123516731), (273, 66509009), (637, 28503861), (1911, 9501287)]