17639140

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1811}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 37138752

約数和(自身を除く): 19499612

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1811, 1948, 2435, 3622, 4870, 7244, 9055, 9740, 18110, 36220, 881957, 1763914, 3527828, 4409785, 8819570, 17639140]

約数ペア:

[(1, 17639140), (2, 8819570), (4, 4409785), (5, 3527828), (10, 1763914), (20, 881957), (487, 36220), (974, 18110), (1811, 9740), (1948, 9055), (2435, 7244), (3622, 4870)]