19131760

素因数分解:

$2^4\times 5^1\times {\mathrm{239147}}^1$

素因数の和:239160

約数の個数: 20

約数和(自身を含む): 44481528

約数和(自身を除く): 25349768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239147, 478294, 956588, 1195735, 1913176, 2391470, 3826352, 4782940, 9565880, 19131760]

約数ペア:

[(1, 19131760), (2, 9565880), (4, 4782940), (5, 3826352), (8, 2391470), (10, 1913176), (16, 1195735), (20, 956588), (40, 478294), (80, 239147)]