19553547

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3607}}^1$

素因数の和:3762

約数の個数: 16

約数和(自身を含む): 28286720

約数和(自身を除く): 8733173

約数列:

[1, 3, 13, 39, 139, 417, 1807, 3607, 5421, 10821, 46891, 140673, 501373, 1504119, 6517849, 19553547]

約数ペア:

[(1, 19553547), (3, 6517849), (13, 1504119), (39, 501373), (139, 140673), (417, 46891), (1807, 10821), (3607, 5421)]