19429280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9341}}^1$

素因数の和:9369

約数の個数: 48

約数和(自身を含む): 49437864

約数和(自身を除く): 30008584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9341, 18682, 37364, 46705, 74728, 93410, 121433, 149456, 186820, 242866, 298912, 373640, 485732, 607165, 747280, 971464, 1214330, 1494560, 1942928, 2428660, 3885856, 4857320, 9714640, 19429280]

約数ペア:

[(1, 19429280), (2, 9714640), (4, 4857320), (5, 3885856), (8, 2428660), (10, 1942928), (13, 1494560), (16, 1214330), (20, 971464), (26, 747280), (32, 607165), (40, 485732), (52, 373640), (65, 298912), (80, 242866), (104, 186820), (130, 149456), (160, 121433), (208, 93410), (260, 74728), (416, 46705), (520, 37364), (1040, 18682), (2080, 9341)]