19294720

素因数分解:

$2^9\times 5^1\times {\mathrm{7537}}^1$

素因数の和:7560

約数の個数: 40

約数和(自身を含む): 46268244

約数和(自身を除く): 26973524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7537, 15074, 30148, 37685, 60296, 75370, 120592, 150740, 241184, 301480, 482368, 602960, 964736, 1205920, 1929472, 2411840, 3858944, 4823680, 9647360, 19294720]

約数ペア:

[(1, 19294720), (2, 9647360), (4, 4823680), (5, 3858944), (8, 2411840), (10, 1929472), (16, 1205920), (20, 964736), (32, 602960), (40, 482368), (64, 301480), (80, 241184), (128, 150740), (160, 120592), (256, 75370), (320, 60296), (512, 37685), (640, 30148), (1280, 15074), (2560, 7537)]