19415680

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1361

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 29054720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1319, 1472, 1840, 2638, 2944, 3680, 5276, 6595, 7360, 10552, 13190, 14720, 21104, 26380, 30337, 42208, 52760, 60674, 84416, 105520, 121348, 151685, 168832, 211040, 242696, 303370, 422080, 485392, 606740, 844160, 970784, 1213480, 1941568, 2426960, 3883136, 4853920, 9707840, 19415680]

約数ペア:

[(1, 19415680), (2, 9707840), (4, 4853920), (5, 3883136), (8, 2426960), (10, 1941568), (16, 1213480), (20, 970784), (23, 844160), (32, 606740), (40, 485392), (46, 422080), (64, 303370), (80, 242696), (92, 211040), (115, 168832), (128, 151685), (160, 121348), (184, 105520), (230, 84416), (320, 60674), (368, 52760), (460, 42208), (640, 30337), (736, 26380), (920, 21104), (1319, 14720), (1472, 13190), (1840, 10552), (2638, 7360), (2944, 6595), (3680, 5276)]