18653840

素因数分解:

$2^4\times 5^1\times {\mathrm{233173}}^1$

素因数の和:233186

約数の個数: 20

約数和(自身を含む): 43370364

約数和(自身を除く): 24716524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233173, 466346, 932692, 1165865, 1865384, 2331730, 3730768, 4663460, 9326920, 18653840]

約数ペア:

[(1, 18653840), (2, 9326920), (4, 4663460), (5, 3730768), (8, 2331730), (10, 1865384), (16, 1165865), (20, 932692), (40, 466346), (80, 233173)]