19251589

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 23019520

約数和(自身を除く): 3767931

約数列:

[1, 7, 31, 79, 217, 553, 1123, 2449, 7861, 17143, 34813, 88717, 243691, 621019, 2750227, 19251589]

約数ペア:

[(1, 19251589), (7, 2750227), (31, 621019), (79, 243691), (217, 88717), (553, 34813), (1123, 17143), (2449, 7861)]