42138884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 79626960

約数和(自身を除く): 37488076

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 251, 502, 893, 1004, 1786, 2209, 3572, 4418, 4769, 8836, 9538, 11797, 19076, 23594, 41971, 47188, 83942, 167884, 224143, 448286, 554459, 896572, 1108918, 2217836, 10534721, 21069442, 42138884]

約数ペア:

[(1, 42138884), (2, 21069442), (4, 10534721), (19, 2217836), (38, 1108918), (47, 896572), (76, 554459), (94, 448286), (188, 224143), (251, 167884), (502, 83942), (893, 47188), (1004, 41971), (1786, 23594), (2209, 19076), (3572, 11797), (4418, 9538), (4769, 8836)]