19166720

素因数分解:

$2^9\times 5^1\times {\mathrm{7487}}^1$

素因数の和:7510

約数の個数: 40

約数和(自身を含む): 45961344

約数和(自身を除く): 26794624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7487, 14974, 29948, 37435, 59896, 74870, 119792, 149740, 239584, 299480, 479168, 598960, 958336, 1197920, 1916672, 2395840, 3833344, 4791680, 9583360, 19166720]

約数ペア:

[(1, 19166720), (2, 9583360), (4, 4791680), (5, 3833344), (8, 2395840), (10, 1916672), (16, 1197920), (20, 958336), (32, 598960), (40, 479168), (64, 299480), (80, 239584), (128, 149740), (160, 119792), (256, 74870), (320, 59896), (512, 37435), (640, 29948), (1280, 14974), (2560, 7487)]