19061728

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2039

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 24846752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 1979, 2408, 3958, 4816, 7916, 9632, 13853, 15832, 27706, 31664, 55412, 63328, 85097, 110824, 170194, 221648, 340388, 443296, 595679, 680776, 1191358, 1361552, 2382716, 2723104, 4765432, 9530864, 19061728]

約数ペア:

[(1, 19061728), (2, 9530864), (4, 4765432), (7, 2723104), (8, 2382716), (14, 1361552), (16, 1191358), (28, 680776), (32, 595679), (43, 443296), (56, 340388), (86, 221648), (112, 170194), (172, 110824), (224, 85097), (301, 63328), (344, 55412), (602, 31664), (688, 27706), (1204, 15832), (1376, 13853), (1979, 9632), (2408, 7916), (3958, 4816)]