19749986

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7919}}^1$

素因数の和:7993

約数の個数: 16

約数和(自身を含む): 31363200

約数和(自身を除く): 11613214

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 7919, 15838, 229651, 340517, 459302, 681034, 9874993, 19749986]

約数ペア:

[(1, 19749986), (2, 9874993), (29, 681034), (43, 459302), (58, 340517), (86, 229651), (1247, 15838), (2494, 7919)]