18348160

素因数分解:

$2^7\times 5^1\times {\mathrm{28669}}^1$

素因数の和:28688

約数の個数: 32

約数和(自身を含む): 43865100

約数和(自身を除く): 25516940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28669, 57338, 114676, 143345, 229352, 286690, 458704, 573380, 917408, 1146760, 1834816, 2293520, 3669632, 4587040, 9174080, 18348160]

約数ペア:

[(1, 18348160), (2, 9174080), (4, 4587040), (5, 3669632), (8, 2293520), (10, 1834816), (16, 1146760), (20, 917408), (32, 573380), (40, 458704), (64, 286690), (80, 229352), (128, 143345), (160, 114676), (320, 57338), (640, 28669)]