19118883

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47917}}^1$

素因数の和:47946

約数の個数: 16

約数和(自身を含む): 30667520

約数和(自身を除く): 11548637

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 47917, 143751, 335419, 910423, 1006257, 2731269, 6372961, 19118883]

約数ペア:

[(1, 19118883), (3, 6372961), (7, 2731269), (19, 1006257), (21, 910423), (57, 335419), (133, 143751), (399, 47917)]