18357940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11059}}^1$

素因数の和:11151

約数の個数: 24

約数和(自身を含む): 39019680

約数和(自身を除く): 20661740

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11059, 22118, 44236, 55295, 110590, 221180, 917897, 1835794, 3671588, 4589485, 9178970, 18357940]

約数ペア:

[(1, 18357940), (2, 9178970), (4, 4589485), (5, 3671588), (10, 1835794), (20, 917897), (83, 221180), (166, 110590), (332, 55295), (415, 44236), (830, 22118), (1660, 11059)]