18390904

素因数分解:

$2^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{941}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 39564000

約数和(自身を除く): 21173096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 349, 698, 941, 1396, 1882, 2443, 2792, 3764, 4886, 6587, 7528, 9772, 13174, 19544, 26348, 52696, 328409, 656818, 1313636, 2298863, 2627272, 4597726, 9195452, 18390904]

約数ペア:

[(1, 18390904), (2, 9195452), (4, 4597726), (7, 2627272), (8, 2298863), (14, 1313636), (28, 656818), (56, 328409), (349, 52696), (698, 26348), (941, 19544), (1396, 13174), (1882, 9772), (2443, 7528), (2792, 6587), (3764, 4886)]