19018880

素因数分解:

$2^7\times 5^1\times {\mathrm{29717}}^1$

素因数の和:29736

約数の個数: 32

約数和(自身を含む): 45468540

約数和(自身を除く): 26449660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29717, 59434, 118868, 148585, 237736, 297170, 475472, 594340, 950944, 1188680, 1901888, 2377360, 3803776, 4754720, 9509440, 19018880]

約数ペア:

[(1, 19018880), (2, 9509440), (4, 4754720), (5, 3803776), (8, 2377360), (10, 1901888), (16, 1188680), (20, 950944), (32, 594340), (40, 475472), (64, 297170), (80, 237736), (128, 148585), (160, 118868), (320, 59434), (640, 29717)]