19518128

素因数分解:

$2^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{761}}^1$

素因数の和:1005

約数の個数: 40

約数和(自身を含む): 43464480

約数和(自身を除く): 23946352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 229, 458, 761, 916, 1522, 1603, 1832, 3044, 3206, 3664, 5327, 6088, 6412, 10654, 12176, 12824, 21308, 25648, 42616, 85232, 174269, 348538, 697076, 1219883, 1394152, 2439766, 2788304, 4879532, 9759064, 19518128]

約数ペア:

[(1, 19518128), (2, 9759064), (4, 4879532), (7, 2788304), (8, 2439766), (14, 1394152), (16, 1219883), (28, 697076), (56, 348538), (112, 174269), (229, 85232), (458, 42616), (761, 25648), (916, 21308), (1522, 12824), (1603, 12176), (1832, 10654), (3044, 6412), (3206, 6088), (3664, 5327)]