19717054

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 35223552

約数和(自身を除く): 15506498

約数列:

[1, 2, 7, 14, 31, 62, 181, 217, 251, 362, 434, 502, 1267, 1757, 2534, 3514, 5611, 7781, 11222, 15562, 39277, 45431, 54467, 78554, 90862, 108934, 318017, 636034, 1408361, 2816722, 9858527, 19717054]

約数ペア:

[(1, 19717054), (2, 9858527), (7, 2816722), (14, 1408361), (31, 636034), (62, 318017), (181, 108934), (217, 90862), (251, 78554), (362, 54467), (434, 45431), (502, 39277), (1267, 15562), (1757, 11222), (2534, 7781), (3514, 5611)]