18995208

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{21391}}^1$

素因数の和:21437

約数の個数: 32

約数和(自身を含む): 48773760

約数和(自身を除く): 29778552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 21391, 42782, 64173, 85564, 128346, 171128, 256692, 513384, 791467, 1582934, 2374401, 3165868, 4748802, 6331736, 9497604, 18995208]

約数ペア:

[(1, 18995208), (2, 9497604), (3, 6331736), (4, 4748802), (6, 3165868), (8, 2374401), (12, 1582934), (24, 791467), (37, 513384), (74, 256692), (111, 171128), (148, 128346), (222, 85564), (296, 64173), (444, 42782), (888, 21391)]