19990185

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{70141}}^1$

素因数の和:70168

約数の個数: 16

約数和(自身を含む): 33668160

約数和(自身を除く): 13677975

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 70141, 210423, 350705, 1052115, 1332679, 3998037, 6663395, 19990185]

約数ペア:

[(1, 19990185), (3, 6663395), (5, 3998037), (15, 1332679), (19, 1052115), (57, 350705), (95, 210423), (285, 70141)]