19138986

素因数分解:

$2^1\times 3^2\times {\mathrm{431}}^1\times {\mathrm{2467}}^1$

素因数の和:2906

約数の個数: 24

約数和(自身を含む): 41580864

約数和(自身を除く): 22441878

約数列:

[1, 2, 3, 6, 9, 18, 431, 862, 1293, 2467, 2586, 3879, 4934, 7401, 7758, 14802, 22203, 44406, 1063277, 2126554, 3189831, 6379662, 9569493, 19138986]

約数ペア:

[(1, 19138986), (2, 9569493), (3, 6379662), (6, 3189831), (9, 2126554), (18, 1063277), (431, 44406), (862, 22203), (1293, 14802), (2467, 7758), (2586, 7401), (3879, 4934)]