19727552

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:337

約数の個数: 56

約数和(自身を含む): 42714672

約数和(自身を除く): 22987120

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 131, 181, 208, 262, 362, 416, 524, 724, 832, 1048, 1448, 1703, 2096, 2353, 2896, 3406, 4192, 4706, 5792, 6812, 8384, 9412, 11584, 13624, 18824, 23711, 27248, 37648, 47422, 54496, 75296, 94844, 108992, 150592, 189688, 308243, 379376, 616486, 758752, 1232972, 1517504, 2465944, 4931888, 9863776, 19727552]

約数ペア:

[(1, 19727552), (2, 9863776), (4, 4931888), (8, 2465944), (13, 1517504), (16, 1232972), (26, 758752), (32, 616486), (52, 379376), (64, 308243), (104, 189688), (131, 150592), (181, 108992), (208, 94844), (262, 75296), (362, 54496), (416, 47422), (524, 37648), (724, 27248), (832, 23711), (1048, 18824), (1448, 13624), (1703, 11584), (2096, 9412), (2353, 8384), (2896, 6812), (3406, 5792), (4192, 4706)]