18214720

素因数分解:

$2^6\times 5^1\times {\mathrm{56921}}^1$

素因数の和:56938

約数の個数: 28

約数和(自身を含む): 43374564

約数和(自身を除く): 25159844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 56921, 113842, 227684, 284605, 455368, 569210, 910736, 1138420, 1821472, 2276840, 3642944, 4553680, 9107360, 18214720]

約数ペア:

[(1, 18214720), (2, 9107360), (4, 4553680), (5, 3642944), (8, 2276840), (10, 1821472), (16, 1138420), (20, 910736), (32, 569210), (40, 455368), (64, 284605), (80, 227684), (160, 113842), (320, 56921)]