19851872

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{15131}}^1$

素因数の和:15182

約数の個数: 24

約数和(自身を含む): 40039272

約数和(自身を除く): 20187400

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 15131, 30262, 60524, 121048, 242096, 484192, 620371, 1240742, 2481484, 4962968, 9925936, 19851872]

約数ペア:

[(1, 19851872), (2, 9925936), (4, 4962968), (8, 2481484), (16, 1240742), (32, 620371), (41, 484192), (82, 242096), (164, 121048), (328, 60524), (656, 30262), (1312, 15131)]