19180810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1373}}^1$

素因数の和:1518

約数の個数: 32

約数和(自身を含む): 37988352

約数和(自身を除く): 18807542

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1373, 1397, 2746, 2794, 6865, 6985, 13730, 13970, 15103, 30206, 75515, 151030, 174371, 348742, 871855, 1743710, 1918081, 3836162, 9590405, 19180810]

約数ペア:

[(1, 19180810), (2, 9590405), (5, 3836162), (10, 1918081), (11, 1743710), (22, 871855), (55, 348742), (110, 174371), (127, 151030), (254, 75515), (635, 30206), (1270, 15103), (1373, 13970), (1397, 13730), (2746, 6985), (2794, 6865)]