19978956

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29209}}^1$

素因数の和:29238

約数の個数: 36

約数和(自身を含む): 53162200

約数和(自身を除く): 33183244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 29209, 58418, 87627, 116836, 175254, 262881, 350508, 525762, 554971, 1051524, 1109942, 1664913, 2219884, 3329826, 4994739, 6659652, 9989478, 19978956]

約数ペア:

[(1, 19978956), (2, 9989478), (3, 6659652), (4, 4994739), (6, 3329826), (9, 2219884), (12, 1664913), (18, 1109942), (19, 1051524), (36, 554971), (38, 525762), (57, 350508), (76, 262881), (114, 175254), (171, 116836), (228, 87627), (342, 58418), (684, 29209)]