19829128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 43182720

約数和(自身を除く): 23353592

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 97, 101, 184, 194, 202, 253, 388, 404, 506, 776, 808, 1012, 1067, 1111, 2024, 2134, 2222, 2231, 2323, 4268, 4444, 4462, 4646, 8536, 8888, 8924, 9292, 9797, 17848, 18584, 19594, 24541, 25553, 39188, 49082, 51106, 78376, 98164, 102212, 107767, 196328, 204424, 215534, 225331, 431068, 450662, 862136, 901324, 1802648, 2478641, 4957282, 9914564, 19829128]

約数ペア:

[(1, 19829128), (2, 9914564), (4, 4957282), (8, 2478641), (11, 1802648), (22, 901324), (23, 862136), (44, 450662), (46, 431068), (88, 225331), (92, 215534), (97, 204424), (101, 196328), (184, 107767), (194, 102212), (202, 98164), (253, 78376), (388, 51106), (404, 49082), (506, 39188), (776, 25553), (808, 24541), (1012, 19594), (1067, 18584), (1111, 17848), (2024, 9797), (2134, 9292), (2222, 8924), (2231, 8888), (2323, 8536), (4268, 4646), (4444, 4462)]