19895538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255071}}^1$

素因数の和:255089

約数の個数: 16

約数和(自身を含む): 42852096

約数和(自身を除く): 22956558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 255071, 510142, 765213, 1530426, 3315923, 6631846, 9947769, 19895538]

約数ペア:

[(1, 19895538), (2, 9947769), (3, 6631846), (6, 3315923), (13, 1530426), (26, 765213), (39, 510142), (78, 255071)]