19117616

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1303}}^1$

素因数の和:1449

約数の個数: 40

約数和(自身を含む): 42687744

約数和(自身を除く): 23570128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1303, 1834, 2096, 2606, 3668, 5212, 7336, 9121, 10424, 14672, 18242, 20848, 36484, 72968, 145936, 170693, 341386, 682772, 1194851, 1365544, 2389702, 2731088, 4779404, 9558808, 19117616]

約数ペア:

[(1, 19117616), (2, 9558808), (4, 4779404), (7, 2731088), (8, 2389702), (14, 1365544), (16, 1194851), (28, 682772), (56, 341386), (112, 170693), (131, 145936), (262, 72968), (524, 36484), (917, 20848), (1048, 18242), (1303, 14672), (1834, 10424), (2096, 9121), (2606, 7336), (3668, 5212)]