19103420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136453}}^1$

素因数の和:136469

約数の個数: 24

約数和(自身を含む): 45848544

約数和(自身を除く): 26745124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136453, 272906, 545812, 682265, 955171, 1364530, 1910342, 2729060, 3820684, 4775855, 9551710, 19103420]

約数ペア:

[(1, 19103420), (2, 9551710), (4, 4775855), (5, 3820684), (7, 2729060), (10, 1910342), (14, 1364530), (20, 955171), (28, 682265), (35, 545812), (70, 272906), (140, 136453)]