19103987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 23116800

約数和(自身を除く): 4012813

約数列:

[1, 7, 19, 133, 239, 601, 1673, 4207, 4541, 11419, 31787, 79933, 143639, 1005473, 2729141, 19103987]

約数ペア:

[(1, 19103987), (7, 2729141), (19, 1005473), (133, 143639), (239, 79933), (601, 31787), (1673, 11419), (4207, 4541)]