18842380

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1873}}^1$

素因数の和:2385

約数の個数: 24

約数和(自身を含む): 39668832

約数和(自身を除く): 20826452

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 1873, 2012, 2515, 3746, 5030, 7492, 9365, 10060, 18730, 37460, 942119, 1884238, 3768476, 4710595, 9421190, 18842380]

約数ペア:

[(1, 18842380), (2, 9421190), (4, 4710595), (5, 3768476), (10, 1884238), (20, 942119), (503, 37460), (1006, 18730), (1873, 10060), (2012, 9365), (2515, 7492), (3746, 5030)]