19165328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13163}}^1$

素因数の和:13191

約数の個数: 40

約数和(自身を含む): 45705408

約数和(自身を除く): 26540080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13163, 26326, 52652, 92141, 105304, 171119, 184282, 210608, 342238, 368564, 684476, 737128, 1197833, 1368952, 1474256, 2395666, 2737904, 4791332, 9582664, 19165328]

約数ペア:

[(1, 19165328), (2, 9582664), (4, 4791332), (7, 2737904), (8, 2395666), (13, 1474256), (14, 1368952), (16, 1197833), (26, 737128), (28, 684476), (52, 368564), (56, 342238), (91, 210608), (104, 184282), (112, 171119), (182, 105304), (208, 92141), (364, 52652), (728, 26326), (1456, 13163)]