19997383874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{105173}}^1$

素因数の和:105362

約数の個数: 32

約数和(自身を含む): 33076802304

約数和(自身を除く): 13079418430

約数列:

[1, 2, 13, 26, 71, 103, 142, 206, 923, 1339, 1846, 2678, 7313, 14626, 95069, 105173, 190138, 210346, 1367249, 2734498, 7467283, 10832819, 14934566, 21665638, 97074679, 140826647, 194149358, 281653294, 769130149, 1538260298, 9998691937, 19997383874]

約数ペア:

[(1, 19997383874), (2, 9998691937), (13, 1538260298), (26, 769130149), (71, 281653294), (103, 194149358), (142, 140826647), (206, 97074679), (923, 21665638), (1339, 14934566), (1846, 10832819), (2678, 7467283), (7313, 2734498), (14626, 1367249), (95069, 210346), (105173, 190138)]