19561232

素因数分解:

$2^4\times {\mathrm{947}}^1\times {\mathrm{1291}}^1$

素因数の和:2246

約数の個数: 20

約数和(自身を含む): 37969296

約数和(自身を除く): 18408064

約数列:

[1, 2, 4, 8, 16, 947, 1291, 1894, 2582, 3788, 5164, 7576, 10328, 15152, 20656, 1222577, 2445154, 4890308, 9780616, 19561232]

約数ペア:

[(1, 19561232), (2, 9780616), (4, 4890308), (8, 2445154), (16, 1222577), (947, 20656), (1291, 15152), (1894, 10328), (2582, 7576), (3788, 5164)]