18772768

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1949}}^1$

素因数の和:2009

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 24470432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 1949, 2408, 3898, 4816, 7796, 9632, 13643, 15592, 27286, 31184, 54572, 62368, 83807, 109144, 167614, 218288, 335228, 436576, 586649, 670456, 1173298, 1340912, 2346596, 2681824, 4693192, 9386384, 18772768]

約数ペア:

[(1, 18772768), (2, 9386384), (4, 4693192), (7, 2681824), (8, 2346596), (14, 1340912), (16, 1173298), (28, 670456), (32, 586649), (43, 436576), (56, 335228), (86, 218288), (112, 167614), (172, 109144), (224, 83807), (301, 62368), (344, 54572), (602, 31184), (688, 27286), (1204, 15592), (1376, 13643), (1949, 9632), (2408, 7796), (3898, 4816)]