18971874

素因数分解:

$2^1\times 3^3\times {\mathrm{409}}^1\times {\mathrm{859}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 42312000

約数和(自身を除く): 23340126

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 409, 818, 859, 1227, 1718, 2454, 2577, 3681, 5154, 7362, 7731, 11043, 15462, 22086, 23193, 46386, 351331, 702662, 1053993, 2107986, 3161979, 6323958, 9485937, 18971874]

約数ペア:

[(1, 18971874), (2, 9485937), (3, 6323958), (6, 3161979), (9, 2107986), (18, 1053993), (27, 702662), (54, 351331), (409, 46386), (818, 23193), (859, 22086), (1227, 15462), (1718, 11043), (2454, 7731), (2577, 7362), (3681, 5154)]