19989382

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1860

約数の個数: 32

約数和(自身を含む): 37075968

約数和(自身を除く): 17086586

約数列:

[1, 2, 7, 14, 17, 34, 47, 94, 119, 238, 329, 658, 799, 1598, 1787, 3574, 5593, 11186, 12509, 25018, 30379, 60758, 83989, 167978, 212653, 425306, 587923, 1175846, 1427813, 2855626, 9994691, 19989382]

約数ペア:

[(1, 19989382), (2, 9994691), (7, 2855626), (14, 1427813), (17, 1175846), (34, 587923), (47, 425306), (94, 212653), (119, 167978), (238, 83989), (329, 60758), (658, 30379), (799, 25018), (1598, 12509), (1787, 11186), (3574, 5593)]