19587140

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2011}}^1$

素因数の和:2507

約数の個数: 24

約数和(自身を含む): 41237952

約数和(自身を除く): 21650812

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2011, 2435, 4022, 4870, 8044, 9740, 10055, 20110, 40220, 979357, 1958714, 3917428, 4896785, 9793570, 19587140]

約数ペア:

[(1, 19587140), (2, 9793570), (4, 4896785), (5, 3917428), (10, 1958714), (20, 979357), (487, 40220), (974, 20110), (1948, 10055), (2011, 9740), (2435, 8044), (4022, 4870)]