19184420

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1907}}^1$

素因数の和:2419

約数の個数: 24

約数和(自身を含む): 40388544

約数和(自身を除く): 21204124

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 1907, 2012, 2515, 3814, 5030, 7628, 9535, 10060, 19070, 38140, 959221, 1918442, 3836884, 4796105, 9592210, 19184420]

約数ペア:

[(1, 19184420), (2, 9592210), (4, 4796105), (5, 3836884), (10, 1918442), (20, 959221), (503, 38140), (1006, 19070), (1907, 10060), (2012, 9535), (2515, 7628), (3814, 5030)]