18320757

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9587}}^1$

素因数の和:9617

約数の個数: 24

約数和(自身を含む): 30604896

約数和(自身を除く): 12284139

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9587, 28761, 67109, 124631, 201327, 373893, 469763, 872417, 1409289, 2617251, 6106919, 18320757]

約数ペア:

[(1, 18320757), (3, 6106919), (7, 2617251), (13, 1409289), (21, 872417), (39, 469763), (49, 373893), (91, 201327), (147, 124631), (273, 67109), (637, 28761), (1911, 9587)]