19955088

素因数分解:

$2^4\times 3^2\times {\mathrm{138577}}^1$

素因数の和:138591

約数の個数: 30

約数和(自身を含む): 55846934

約数和(自身を除く): 35891846

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138577, 277154, 415731, 554308, 831462, 1108616, 1247193, 1662924, 2217232, 2494386, 3325848, 4988772, 6651696, 9977544, 19955088]

約数ペア:

[(1, 19955088), (2, 9977544), (3, 6651696), (4, 4988772), (6, 3325848), (8, 2494386), (9, 2217232), (12, 1662924), (16, 1247193), (18, 1108616), (24, 831462), (36, 554308), (48, 415731), (72, 277154), (144, 138577)]