19053640

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{947}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 43001280

約数和(自身を除く): 23947640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 947, 1006, 1894, 2012, 2515, 3788, 4024, 4735, 5030, 7576, 9470, 10060, 18940, 20120, 37880, 476341, 952682, 1905364, 2381705, 3810728, 4763410, 9526820, 19053640]

約数ペア:

[(1, 19053640), (2, 9526820), (4, 4763410), (5, 3810728), (8, 2381705), (10, 1905364), (20, 952682), (40, 476341), (503, 37880), (947, 20120), (1006, 18940), (1894, 10060), (2012, 9470), (2515, 7576), (3788, 5030), (4024, 4735)]