19100900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2099}}^1$

素因数の和:2133

約数の個数: 72

約数和(自身を含む): 51038400

約数和(自身を除く): 31937500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2099, 2275, 4198, 4550, 8396, 9100, 10495, 14693, 20990, 27287, 29386, 41980, 52475, 54574, 58772, 73465, 104950, 109148, 136435, 146930, 191009, 209900, 272870, 293860, 367325, 382018, 545740, 682175, 734650, 764036, 955045, 1364350, 1469300, 1910090, 2728700, 3820180, 4775225, 9550450, 19100900]

約数ペア:

[(1, 19100900), (2, 9550450), (4, 4775225), (5, 3820180), (7, 2728700), (10, 1910090), (13, 1469300), (14, 1364350), (20, 955045), (25, 764036), (26, 734650), (28, 682175), (35, 545740), (50, 382018), (52, 367325), (65, 293860), (70, 272870), (91, 209900), (100, 191009), (130, 146930), (140, 136435), (175, 109148), (182, 104950), (260, 73465), (325, 58772), (350, 54574), (364, 52475), (455, 41980), (650, 29386), (700, 27287), (910, 20990), (1300, 14693), (1820, 10495), (2099, 9100), (2275, 8396), (4198, 4550)]