19188760

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{877}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 43302960

約数和(自身を除く): 24114200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 877, 1094, 1754, 2188, 2735, 3508, 4376, 4385, 5470, 7016, 8770, 10940, 17540, 21880, 35080, 479719, 959438, 1918876, 2398595, 3837752, 4797190, 9594380, 19188760]

約数ペア:

[(1, 19188760), (2, 9594380), (4, 4797190), (5, 3837752), (8, 2398595), (10, 1918876), (20, 959438), (40, 479719), (547, 35080), (877, 21880), (1094, 17540), (1754, 10940), (2188, 8770), (2735, 7016), (3508, 5470), (4376, 4385)]