19841228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7643}}^1$

素因数の和:7717

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 18684532

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 7643, 15286, 30572, 84073, 168146, 336292, 450937, 901874, 1803748, 4960307, 9920614, 19841228]

約数ペア:

[(1, 19841228), (2, 9920614), (4, 4960307), (11, 1803748), (22, 901874), (44, 450937), (59, 336292), (118, 168146), (236, 84073), (649, 30572), (1298, 15286), (2596, 7643)]